Follow the incentives. Lenders, brokers, and most mortgage content sites monetize refinances — origination fees, commissions, affiliate bounties. PMI cancellation is a letter your servicer processes for free. So "refinance to get rid of PMI" dominates the advice, even though for conventional borrowers it's the expensive way: closing costs run 2–5% of the loan, and if you hold a 2020–2021 rate, replacing it at today's rates costs hundreds monthly forever.
| Written cancellation | Refinance | |
|---|---|---|
| Cost | $0–600 | 2–5% of loan ($8,000–20,000 on $400k) |
| Your rate | Unchanged | Reset to market |
| Time | 2–6 weeks | 30–45 days + underwriting |
| Credit check | None | Full underwriting |
| Works for FHA? | No (MIP isn't PMI) | Yes — the main legitimate use |
Two honest cases: you hold an FHA loan with lifetime MIP (a conventional refi is the only exit), or your current rate is high enough that a refi pays for itself regardless — in which case the PMI disappearing at 80% LTV is a bonus, not the reason. Everyone else: send the letter first.
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