Lender Rate-Spread & Lock Auditor

Mortgage Rate Lock Analyzer

Homeowners who don’t shop lenders overpay an average of $3,343 a year. Model your exact loan details, evaluate rate spreads, point breakevens, and arm yourself with the 4 critical realtor audit questions before locking.

Monthly P&I (Best Quote)
$2,654
At 6.375% Interest
Monthly P&I (Higher Quote)
$2,797
At 6.875% Interest
Point Payoff Horizon
15 Months
$2,125 points cost / $143 monthly savings

Side-by-Side Rate Lock Economics

Principal & Interest Only
Scenario Rate Monthly P&I Upfront Cost 5-Year Total Paid Total Lifetime Interest

Cumulative Cumulative Loan Cost (30-Year Trajectory)

Visualizing the divergence in interest paid between your best locked quote and un-shopped quote.

Best Rate Unlocked / Higher

The 4 Realtor Lender Audit Questions

Top real estate agents recommend asking every prospective loan officer these exact 4 questions.

0 of 4 Verified
All calculations updated live in your browser.

Why Do Borrowers Overpay $3,343 a Year?

Mortgage rate pricing is not monolithic. Studies consistently show that identical borrowers receive quotes varying by 0.50% to 0.75% across different banks, credit unions, and direct lenders on the exact same afternoon. On a typical $450,000 to $500,000 balance, a 0.60% rate delta equates to over $280/month ($3,360/year) in pure unrecovered interest.

The Psychology of the Rate Lock Trap

Most buyers submit only one application because they fear multiple credit inquiries or feel loyal to the first officer who pre-approved them. CFPB rules allow unlimited mortgage inquiries within a 45-day window as a single consolidated check. Requesting Official Loan Estimates from at least 3 lenders gives you verifiable leverage to demand fee waivers and rate matching.

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