A lender quoted you a monthly payment. Or you're running numbers before you even talk to one. These guides break down how mortgage and loan payments are calculated — the principal, the interest, what your down payment really changes — so you can verify any number before you commit to it. No email. No one trying to pre-qualify you.
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Read guide →Learn the 28/36 rule, the DTI formula banks actually use, and how income, debt, down payment, and credit score interact to determine your maximum home purchase price.
Read guide →Learn the exact PMT formula lenders use to calculate your monthly mortgage payment, with step-by-step examples, amortization breakdowns, and a full comparison table.
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