Smart Mortgage Calculator
Buying Guides
Step-by-step guidance for every stage of buying a home.
Buying guides cover credit timing, down payments, closing costs, seller concessions, lender overlays, and points with worked break-even examples. They assume you will verify numbers with a licensed loan officer and use our calculators for scenarios, not as personalized advice.
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
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
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