Financial guides & playbooks
96 long-form walkthroughs of the money decisions that actually move the number: mortgages, debt, retirement withdrawal, investing, taxes and business valuation. Formulas shown, official figures cited to their source, and each guide paired with a calculator you can run yourself.
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The three most-read playbooks
How to Get a Mortgage in 2026: The Complete Guide
A data-driven 2026 mortgage guide: rates, loan types, credit and DTI rules, closing costs, rate locks, the 30-day timeline, and when to refinance or recast.

The FIRE Roadmap: Retire Early by the Numbers (2026 Edition)
The FIRE movement in plain math: 25x rule, 4% safe withdrawal, Coast and Fat FIRE numbers, healthcare gaps, and the tax moves that make it work.

How to Pay Off Debt Fast in 2026: The Real Playbook
The fastest way out of debt in 2026 is usually avalanche — unless your balances are close. Run both strategies on your real numbers inside.
Mortgages
Qualifying, rates, amortisation and the true cost of buying.

What Does Re-Amortize Mean? Re-Amortization and Principal Curtailment Explained
To re-amortize means recalculating your loan payment over the remaining term at the same rate — the technical name for a recast.
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Recast vs Refinance: Which Actually Lowers Your Mortgage Payment for Less?
Recast if your rate beats the market and you have a lump sum — it costs $250, not $10,500. Refinance if rates dropped a point or more.
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Mortgage Recast Requirements: Who Qualifies, What It Costs, and Which Loans Can't
You can recast a conventional loan. You cannot recast an FHA, VA or USDA loan. See the servicer conditions, costs and timeline.
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Who Pays Closing Costs — the Buyer or the Seller?
Both do, on different items. Buyers pay 2–5% for loan and title costs; sellers pay 6–10%, mostly commission.
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Is the Down Payment Included in Closing Costs? No — Here's the Difference
Your down payment is not part of your closing costs. They're two separate amounts due at closing — one buys equity, one buys nothing.
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What's Actually Included in Closing Costs?
Lender fees, third-party fees, government fees and prepaids — four groups, and only two you can negotiate.
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Can You Roll Closing Costs Into Your Mortgage?
Usually yes on a refinance, usually no on a purchase. And financing $9,000 of costs at 6.5% costs $20,479 over 30 years — $2.28 per dollar.
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Getting the Seller to Pay Closing Costs: Limits, Tactics and Trade-offs
Sellers can credit 3%, 6% or 9% toward your closing costs depending on your down payment — but never toward your down payment itself.
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Attorney and Title Fees at Closing: What They Are and Who Pays
Attorney fees are a closing cost in attorney states, absent elsewhere. Title fees are usually shoppable and most buyers never shop them.
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How to Remove FHA Mortgage Insurance (MIP): The Rules by Loan Date
For most FHA borrowers, MIP never cancels on its own — only refinancing does it. See what MIP costs and the refinance math.
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First Lien HELOC Explained: How It Differs From a Standard HELOC
A first lien HELOC replaces your mortgage entirely instead of sitting behind it — first in line to be repaid, typically at a lower rate.
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Does a HELOC Affect Your Credit Score? The Utilization Detail Most Guides Miss
A HELOC affects your credit through the application inquiry and payment history. See the three moments it touches your score.
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HELOC vs Second Mortgage: They're Not Actually Alternatives
A HELOC is a second mortgage — the real comparison is HELOC vs home equity loan. Revolving and variable, or lump sum and fixed.
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Can You Use a HELOC for a Down Payment on Another House?
Yes, a HELOC on a home you own can fund a down payment on another property. The catch: the new lender counts the HELOC payment in your DTI.
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How Many HELOCs Can You Have? Equity, Not Rules, Is the Limit
No legal limit — but a second HELOC on the same property sits in third lien position and few lenders will write it.
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VA Funding Fee: Rates, Exemptions and the 5% Threshold That Halves It
0.50% to 3.30% depending on down payment and prior use. Repeat borrowers putting 5% down pay 1.50% instead of 3.30%.
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VA Loan Closing Costs: Non-Allowable Fees and What You Actually Pay
VA loans allow $0 down but not $0 closing costs. Which fees lenders can't charge veterans, the flat 1% origination fee, and seller concessions up to 4%.
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When Is Refinancing Worth It? The Break-Even Calculation
Closing costs ÷ monthly savings = months to break even. If you'll move before then, refinancing loses money.
Read guidePre-Approval vs. Pre-Qualification: What's the Real Difference?
Prequalification is a self-reported estimate; preapproval is a verified underwriting review.
Read guideVA Loan vs. Conventional Loan: Which Costs Less?
A VA loan trades a one-time funding fee for no down payment and no PMI. A conventional loan trades cancellable monthly PMI for lower upfront cost.
Read guide2026 Conforming Loan Limits: Baseline, High-Cost Areas, and What Counts as Jumbo
The 2026 conforming loan limit is $832,750 in most counties, $1,249,125 in high-cost areas.
Read guideWhen Does PMI Go Away? The 80% and 78% Rules Explained
You can request PMI cancellation at 80% loan-to-value; your servicer must end it automatically at 78%.
Read guideARM vs. Fixed-Rate Mortgage: When Each One Actually Wins
ARM or fixed-rate mortgage? Compare initial rates, rate caps and adjustments, and why how long you keep the loan decides which one costs less.
Read guideJumbo Loan Requirements: Credit Score, DTI, and Reserves
Typical jumbo loan requirements: a ~700+ credit score, 10-20% down, DTI of 43% or lower and 6-12 months of reserves, plus how to avoid jumbo underwriting.
Read guideRight of Rescission: Your 3-Business-Day Cancellation Window Explained
The right of rescission lets you cancel a refinance or home equity loan within 3 business days — but not a home purchase.
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One Extra Mortgage Payment a Year: What It Actually Saves
One extra payment a year saves $111,979 and 5.7 years on a $400k mortgage at 6.5%. Compare five prepayment strategies.
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Biweekly vs Monthly Mortgage Payments: Does It Actually Save You Money?
Biweekly payments save ~$117,496 on a $400k mortgage — but almost all of it comes from one hidden extra payment a year, which you can replicate free.
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What's Included in a Mortgage Payment? PITI and P&I Explained
A mortgage payment has four parts: principal, interest, taxes and insurance. See a real payment broken down and how escrow works.
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How Much House Can I Afford on a $100k Salary? (2026 Rates)
At a 6.8% mortgage rate, a $100,000 salary can afford roughly $350,000–$420,000, depending on your debts and down payment.
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Pay Off Your Mortgage Early: How Much You Save With Extra Payments (2026)
Adding $200/month to a $300,000 mortgage at 6.8% saves $98,000 in interest and cuts 7 years off the loan. Full savings table for every extra payment amount.
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HELOC Guide 2026: How It Works, vs. Home Equity Loans, Taxes & Payoff
How a HELOC works — draw period, payment shock, borrowing power, HELOC vs home equity loan and cash-out refi, tax deduction rules, and a payoff plan.
Read guideDebt Payoff
Avalanche vs snowball, consolidation, and getting to zero faster.

How to Pay Off Student Loans Fast: Early Payoff, Income-Based Plans & Refinancing
Can you pay off student loans early? Should you use a 401(k) or credit card? A practical payoff plan with the math for extra payments, IDR, and refinancing.
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$6,000 Personal Loan: Monthly Payment at Every Rate (2026)
A $6,000 personal loan over 3 years costs $188/month at 8% APR, $208 at 15%, and $255 at 30%. Checks to run before you borrow.
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Paying Off $10,000 in Credit Card Debt: Timeline at Every Payment (2026)
At 22.9% APR, $10,000 of credit card debt takes 26 months at $500/month ($2,716 interest) or 77 months at $250 ($9,059 interest).
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Consolidating $20,000 of Credit Card Debt: What It Saves at Every Rate (2026)
Consolidating $20,000 of 22% card debt into a 3-year loan at 9% cuts total interest from $16,378 to about $3,583.
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Credit Card Minimum Payment Math: Formulas, Payoff Times & APR Tables (2026 Reference)
How card issuers calculate your minimum payment: the two formulas, plus month-by-month payoff times at every common APR, with worked tables.
Read guideRetirement
Withdrawal strategy, RMDs, Social Security and how much is enough.

Lean FIRE vs Chubby FIRE vs Fat FIRE: The Actual Numbers
Lean, Chubby, Fat and Barista FIRE compared with real portfolio targets at 4% and 3.5% withdrawal rates.
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How to Estimate Retirement Expenses (Full Category Checklist)
A complete retirement expense checklist built on the BLS spending categories, the costs people forget, and how your estimate sets your FIRE number.
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Inherited IRA RMD Rules for 2026: The 10-Year Rule Explained
How inherited IRA RMDs work in 2026: the SECURE Act 10-year rule, who must take annual RMDs, the Single Life Table, penalties, and a worked example.
Read guideQualified Charitable Distribution (QCD): How It Satisfies Your 2026 RMD
How a qualified charitable distribution (QCD) can satisfy all or part of your 2026 RMD tax-free — the $111,000 limit, eligibility rules, and a worked example.
Read guideIRS RMD Tables 2026: Uniform Lifetime, Single Life & Joint Life Explained
The IRS publishes three RMD life expectancy tables — Uniform Lifetime, Single Life, and Joint & Last Survivor.
Read guideRMD Age by Birth Year: 73 or 75? The Full SECURE 2.0 Table (2026)
Your RMD start age depends on your birth year under SECURE 2.0: 73 for 1951–1959, 75 for 1960 and later. Full birth-year table, deadlines, and the two-RMD trap.
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$500,000 Annuity Over 20 Years: Monthly Payout & Total Interest
A $500,000 period-certain annuity pays about $3,439/month over 20 years at a 5.5% rate — $825,500 total, $325,500 of it interest.
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RMD on $1 Million at Age 73: Exactly What You Must Withdraw (2026)
The first RMD on a $1,000,000 IRA at age 73 is $37,735.85 — the balance divided by the IRS Uniform Lifetime factor of 26.5.
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Social Security on a $75,000 Salary: Your Benefit at 62, 67, and 70 (2026)
A career-average $75,000 earner gets roughly $2,746/month at full retirement age 67 — about $1,922 at 62 and $3,405 at 70.
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How Long Will $500,000 Last in Retirement? Year-by-Year Breakdown (2026)
At a 4% withdrawal rate, $500,000 lasts roughly 30 years. But the real answer depends on your spending, returns, Social Security, and inflation.
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How Much Do I Need to Retire? Targets for Ages 55, 60, and 65 (2026)
To retire at 65 with $60,000/year spending, you need about $1.2 million. Targets by age and spending, the 25x rule, and savings benchmarks.
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How to Value a Pension for Your Net Worth
A pension has no balance, so most people leave it out — understating net worth by six figures. Two ways to value it, and the inputs that matter.
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Retirement Withdrawal Strategy: RMDs, Roth Conversions, and 72(t) SEPPs Explained
Which accounts to draw from, and when: how to handle RMDs at 73, Roth conversions before then, and 72(t) SEPPs for penalty-free access before 59½.
Read guideInvesting
Index funds, compounding, and what to do with a lump sum.

How to Start Investing in 2026: A Beginner's Playbook
A math-first 2026 playbook for beginner investors: account order, Roth vs Traditional by bracket, three-fund portfolio, DCA vs lump sum, and 7 costly mistakes.
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$10,000 Invested in the S&P 500: What It Becomes in 10, 20, and 30 Years
At the S&P 500's ~10% historical average return, $10,000 grows to about $25,900 in 10 years, $67,300 in 20, and $174,500 in 30.
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How Much Interest Does $10,000 Earn in a CD? (2026 Rates)
A $10,000 CD at 4.50% APY earns $450 in one year. Over 5 years at 4.25%, that's $2,314 in compound interest. Full earnings table by term and rate.
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Is Maxing Out and Investing Your HSA Worth It?
For most people, yes. How the HSA's triple tax advantage works, why to invest the balance instead of cash, and the beneficiary decision that matters.
Read guideTaxes
Brackets, deductions, self-employment tax and year-end planning.

2026 Tax Strategy Playbook: Lower Your Bill by April 15
Every legal move a U.S. taxpayer can still make before April 15 — 2026 brackets, deductions vs. credits, account order and capital gains.
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Take-Home Pay on a $50,000 Salary: Federal Tax, FICA, and What's Left (2026)
A single filer earning $50,000 in 2026 pays $3,820 federal income tax and $3,825 FICA, keeping $42,355 before state tax — about $3,530/month.
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Self-Employment Tax Guide 2026: How Much 1099 & Freelance Income Owes the IRS
How self-employment tax is calculated, what's actually deductible, how it combines with federal income tax, and how to size your quarterly payments.
Read guide1099 Taxes: How Much Should You Actually Set Aside in 2026?
The real federal-only percentage by income level, computed from actual 2026 tax formulas -- not just the generic '25-30%' rule of thumb.
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S-Corp Tax Strategy: How to Save Thousands on Self-Employment Tax
A complete guide to S-Corp tax elections — how the savings work, when to elect, how to set a reasonable salary, and what compliance actually costs.
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2026 HSA Contribution Limits, Proration & the New OBBBA Eligibility Rules
2026 HSA limits are $4,400 self-only / $8,750 family, plus a $1,000 catch-up at 55+. Includes the new OBBBA eligibility changes.
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HSA Withdrawal Rules, the 20% Penalty, and How Rollovers Actually Work
Non-medical HSA withdrawals before 65 cost ordinary income tax plus a 20% penalty, not 10%. Transfers vs. rollovers explained.
Read guideHome Equity
HELOCs, draw periods, and borrowing against what you own.

$50,000 HELOC Payment: Interest-Only vs. Repayment at Every Rate (2026)
A $50,000 HELOC costs about $354/month interest-only at 8.5%, jumping to $434/month once the 20-year repayment period starts.
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$100,000 HELOC Payment: What It Costs at Every Rate (2026)
A $100,000 HELOC costs about $708/month interest-only at 8.5%, rising to $868/month in the 20-year repayment period.
Read guideReal Estate
Rental cash flow, DSCR lending and investment property maths.

Rental Property Investing: Cash Flow, Cap Rates, and BRRRR Explained (2026)
How to analyze a rental property in 2026 — cash flow, cap rate, cash-on-cash return, the 1% rule, BRRRR and taxes — with examples and free calculators.
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DSCR Loans Explained: How to Calculate DSCR, Requirements & House Hacking
How DSCR loans work, the two formulas lenders actually use, what counts as a good ratio, interest-only DSCR math, requirements.
Read guideBusiness
Valuation, buyouts, business loans and small-business finance.

Business Loan Guide — How to Get Financing, What It Costs, and How to Compare Offers (2026)
Compare SBA loans, term loans, lines of credit, and equipment financing. Calculate payments, understand eligibility, and get the best rate for your business.
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Small Business Financial Management — The Numbers That Actually Matter (2026)
Master the financial metrics that drive small business decisions: EBITDA, ROI, customer lifetime value, true employee cost, and break-even analysis.
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How Much Is My Business Worth? A 2026 Valuation Guide
Value your business three ways — SDE multiple, revenue multiple, and DCF — with a worked example and a free calculator. No signup.
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How to Buy Out a Business Partner: Valuation, Structure, and Financing
Value your partner's stake, structure the deal, and finance it. SBA 7(a) buyout rules, the 24-month test, minority discounts, and a free calculator.
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How Much Can I Sell My Business For? A 2026 Price Guide
See how small businesses are priced, what buyers pay for, and how sector affects the multiple — then estimate your sale range free.
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Business Value Based on Revenue: Multiples by Industry, Explained
Revenue multiples vary widely by sector. See why earnings beat revenue as a valuation basis, and estimate yours.
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The VC Method: How to Value a Pre-Revenue Startup
Work backwards from exit value to today's valuation. The VC method formula, a worked example, and how 409A valuations differ. Free calculator.
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"$100K for 10%": How Equity-for-Investment Valuation Math Works
"$100k for 10%" implies a $1M valuation. See how equity-for-investment math works, why investors push back, and run your own numbers free.
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What Does a Business Valuation Cost? A 2026 Price Guide
Calculator estimate vs. certified appraisal — what each costs, when you legally need one, and which credentials matter. Free estimate first.
Read guidePersonal Finance
Net worth benchmarks and the fundamentals underneath everything else.

Average Net Worth by Age in 2026: Where Do You Stand?
The average American net worth is $1.06M, but the median is just $192,900. See averages, medians and percentiles by age group.
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What Net Worth Puts You in the Top 1%, 5%, 10% and 25%?
A US household needs about $1.94 million to be in the top 10% and $13.7 million for the top 1%. See the cutoffs by age, and whether $1 million counts as rich.
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Does Your 401(k) Count Toward Your Net Worth?
Yes, your 401(k) counts toward net worth at its full balance — the same as an IRA or pension. Includes whether to discount it for taxes.
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Does Net Worth Include Your House and Home Equity?
Yes, your home counts toward net worth — but entering equity and the mortgage both double-counts the debt.
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How Inflation Adjustment Works: The CPI Method Explained (2026)
How to convert money from one year into another using the Consumer Price Index, why inflation calculators disagree with each other.
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US Inflation by Decade: 1913 to 2026 (Full CPI Data)
Decade-by-decade US inflation rates from official CPI data, including the deflationary 1920s and 1930s, the 1970s peak, and the 2020s. With the full data table.
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Inflation Before 1913: Why Those Figures Are Estimates
Official US CPI starts in 1913. Inflation figures before that are reconstructed estimates. Here is what that means for any '$100 in 1880' calculator.
Read guideWhat Is a Good Raise Percentage in 2026? (With Real Survey Data)
See what counts as a good raise: merit raises, total increases, promotions and job changes compared using employer survey data.
Read guideAverage Salary Increase Per Year: How It's Measured, and What 10 Years of Raises Adds Up To
See how US wage growth is measured, how it compares with inflation, and what steady raises add up to over 5 to 30 years.
Read guideHow to Negotiate a Raise: A Practical, Data-Backed Approach
A step-by-step approach to negotiating a raise — when to ask, how to build your case with market data, what to say, and how to counter a lowball offer.
Read guideAverage Raise for a Promotion in 2026: What to Expect and How to Counter a Low Offer
See how promotion raises compare with merit increases, what to ask for, and how to counter a low offer.
Read guideThe Real Value of a Raise by State (2026): All 50 States + DC Ranked
A $75,000 salary getting a 5% raise keeps 47% more real purchasing power in South Dakota than in California.
Read guideLoans & Debt

Rolling Negative Equity Into a Car Loan: What It Really Costs
Negative equity at trade-in is common. See what rolling $6,884 of negative equity into a new car loan costs in a worked example, and how to get above water.
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How to Calculate Car Loan Interest (With Worked Examples)
Car loan interest is charged on your remaining balance, not the original amount. See the formula and a month-by-month example.
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Should You Refinance Your Car Loan?
Refinancing saves money only if you don't extend the term. See a worked example where a 4-point rate drop saves $2,129 — or just $136.
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How to Pay Off Your Car Loan Early (And What You'll Save)
Example: adding $100 a month to a $30,000 car loan at 7.14% clears it 14 months early and saves $1,413. See what each extra amount saves.
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Car Loan Amortization Explained (With the Formula)
How car loan amortization works, the formula for every row of the schedule, and why half the interest on a 60-month loan is paid in the first 19 months.
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How Your Credit Score Changes Your Car Loan Rate
Your credit tier sets your car loan rate. See what different rates cost on the same $30,000 car — and what moving up a tier can be worth.
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New vs. Used Car Loan Rates: What to Expect
Used-car loans carry higher rates than new at every credit tier — but a cheaper used car can still cost far less overall. See a worked example.
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Is Car Loan Interest Tax Deductible?
Up to $10,000 is deductible for 2025–2028 on new US-assembled vehicles. For most buyers, the phase-out ends the deduction well below $150,000.
Read guideHow these guides are written
Calculators tell you what the number is; these guides explain why — and what to do about it. Each one is a complete, self-contained walkthrough of a single financial decision: getting a mortgage, becoming debt-free, reaching financial independence, starting to invest, lowering your tax bill, or valuing a business. We show the actual formulas, work through realistic examples using current rates and limits, and link every factual claim to a primary source so you can verify it yourself.
The guides cover the United States and Canada, are updated for the 2026 tax year, and pair directly with the free tools on this site — so when a guide says “run your own numbers,” the calculator to do it is one click away. No sign-up, no email gate, and your inputs never leave your browser.