Smart Mortgage Calculator
Mortgage & Homebuying Guides
Payment math, loan products, and PITI — a maintained cluster around the calculators, updated for 2026.
Common Pitfalls
Mistakes most homebuyers never hear about until they cost rate, cash, or the deal — credit after pre-approval, one-lender shopping, MIP duration, and under-counted PITI.
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Buyer toolkitQuestions nobody thinks to ask
Realtor interview scripts, offer tactics, and property questions on systems, taxes, HOA, flood zones, and FHA/VA appraisal risks — 50+ prompts you can copy.
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ARM vs. Fixed-Rate Mortgage: Stress-Test the Reset Before You Take the Teaser
I built the ARM calculator because teasers look like a cheat code until you recast the remaining balance at the cap.
September 11, 2026 · 9 min read
How Mortgage Amortization Works: Why Year 1 Is Almost All Interest
I keep the first-month split on the wall: $1,688 interest and $258 principal on a $300,000 loan. That is amortization, not a trick.
September 11, 2026 · 8 min read
Extra Principal Payments vs. Biweekly Mortgages: What Actually Shortens the Loan
I ran +$100 and +$200 extra principal on the same $300,000 note. The calendar moved. The rate did not. That is the whole trick.
September 11, 2026 · 9 min read
Cash-Out Refinance vs. HELOC: Don’t Reprice the Cheap First Mortgage
Cash-out made the monthly bill look cheaper in my $50,000 test. After five years it left more debt. That is the comparison I actually ran.
September 11, 2026 · 10 min read
How to Get the Best Mortgage Rate: Loan Estimates, Points, Locks & Overlays
I treat the first quote as a draft. Same-day Loan Estimates, a points break-even I actually charted, and overlays are how I shop a rate.
August 6, 2026 · 9 min read
VA Loan Entitlement, Residual Income & Funding Fees (2026)
I wired VA residual tables into the calculator from Franklin — South family-of-four is $1,003, and DTI-only thinking still fails files.
August 6, 2026 · 8 min read
Mortgage Pitfalls Homebuyers Should Avoid (2026): The Mistakes That Quietly Cost Thousands
I keep a list of the mistakes that show up after pre-approval — one quote, skipped escrow, new furniture debt — because they are boring and expensive.
August 6, 2026 · 8 min read
How Much Down Payment Do You Need? Closing Costs, Concessions & First-Time Paths
I do not treat 20% as a personality test. I treat it as the PMI cliff, then I stack closing costs and Georgia first-time paths on top.
June 9, 2026 · 9 min read
Should You Refinance in 2026? Break-Even, Recast & State Costs
I built the break-even widget because “the rate dropped” is not a decision — 32.5 months and a recast comparison are.
May 30, 2026 · 9 min read
FHA vs. Conventional Loans: Limits, MIP Duration & Which Fits
I built the FHA calculator to stop treating MIP as a monthly footnote — duration, county limits, and overlays decide the real cost.
May 22, 2026 · 9 min read
How to Improve Your Credit Score Before Buying a Home
I pull my own three-bureau file before I lecture anyone about FICO bands — then I show what a half-point of pricing does on a $380,000 loan.
May 12, 2026 · 9 min read
What Is PMI and How Do You Get Rid of It?
I treat PMI as a lender protection line I can schedule an exit from — not a moral failing for putting less than 20% down.
April 2, 2026 · 9 min read
15-Year vs. 30-Year Mortgage: Which Is Right for You?
A shorter term saves a fortune in interest; a longer term frees cash flow. Here is how to choose — and shop — the right term.
March 10, 2026 · 9 min read
How Much House Can I Afford? The 28/36 Rule, PITI & State Costs
I size a house on PITIA from Franklin, Georgia — the 28/36 rule is a lender starting point, not a permission slip to skip escrow.
February 3, 2026 · 9 min read
Current Mortgage Rates in 2026: What Homebuyers Should Expect
Where mortgage rates stand in 2026, what drives them, and how shopping Loan Estimates and locks can improve your personal rate.
January 15, 2026 · 8 min read