LockIn: Your Plain-English Mortgage Rate Coach
An AI rate advisor that watches bond and MBS markets and tells you in plain English whether to lock today or wait a week, with a refi break-even calculator and a pre-staged document packet so you can pull the trigger in hours when the moment is right.
Existing homeowners with mortgages from 2020-2021 who are watching for refinance triggers
- Lock-or-wait signal driven by 10-year Treasury and MBS spreads, explained in everyday language
- Personalized refi break-even calculator that incorporates your actual closing-cost quotes
- Document locker that stays current so refinancing paperwork is days, not weeks
- Lender-side red-flag scanner that flags teaser rates hiding higher APRs
The 30-year fixed just hit 6.75%, a one-year high, driven by fuel-driven inflation from the Iran conflict — meaning tens of millions of homeowners with sub-3% pandemic-era mortgages are actively re-running refi math and want timely, unbiased guidance.
'Mortgage rates today' is a consistently top-trending Google query (100+), and multiple free refi calculators receive significant traffic — but at 6.75% most sub-3% pandemic holders are still above the rate-gap threshold to act, so intent is high but conversion is limited.Mortgage Refinance Calculator — Break-Even & Savings ↗Mortgage Rate Lock Calculator | Lock or Float Decision Tool ↗
MortgageadvisorAI.com already offers AI-guided mortgage and refinance calculations, mortgagecalculator.org dominates free tools, and mortgage-info.com already has a dedicated lock-or-float calculator — the proposed combination is incremental, not novel.Mortgage Advisor AI | Smart Mortgage & Refinance Calculator ↗Mortgage Calculator ↗
Nearly every refi break-even and lock-or-float tool online is free; consumers are accustomed to $0 calculators and lenders already absorb the cost via lead-gen, making direct consumer willingness-to-pay weak without a clear differentiated value or lender sponsorship model.Mortgage Refinance Break-Even Calculator USA 2026 | Richify ↗Mortgage Rate Lock Calculator | Lock or Float Decision Tool ↗
Mortgage decisions are permanent homeowner concerns, but refi-driven lock/float demand is highly cyclical — surges when rates drop sharply and evaporates when rates stabilize, limiting steady subscription revenue.
MVP is straightforward using free rate feeds (FRED, lender APIs), existing amortization math, and LLMs for plain-English summaries; main friction is regulatory — giving personalized rate-lock advice likely triggers mortgage broker licensing in most states.