Written by the people who underwrite here.

Mortgage rate lock: how it works, how long to lock, and what can break it

A mortgage rate lock holds your interest rate until closing. Learn typical lock periods, what can break a lock, extension costs, and float-down options.

Escrow shortage: why your mortgage payment went up, and what you can do about it

What an escrow shortage is, how the annual escrow analysis and two-month cushion work, and whether to pay the shortage in full or spread it over 12 months.

Mortgage points, explained: when buying down your interest rate pays off, and when it doesn't

Mortgage points let you pay upfront for a lower rate. See discount vs origination points, break-even math, seller-paid points, and the IRS deduction rules.

15 year vs 30 year mortgage: payment, total interest, and the middle paths most people miss

15 year vs 30 year mortgage compared with a worked example: monthly payment, total interest, the 20-year option, extra principal, and biweekly payments.

What is a portfolio loan, and why does it matter who holds your mortgage?

A portfolio loan is a mortgage the bank keeps on its own books instead of selling. Here's how that changes underwriting, pricing, and who answers the phone.

How much house can I afford? The math lenders actually use

Debt-to-income ratios, the 28/36 rule, how taxes and insurance shrink your budget, and why a portfolio lender can look past the ratio.

Self-employed? Here's how to get a mortgage without a W-2

Tax-return underwriting, bank-statement programs, and how portfolio lenders look at business owners, contractors, and 1099 earners.