
Before you sign, finance, hire, book, subscribe, or pay, use this checklist to catch hidden costs, bad terms, missed deadlines, and weak documentation.



Check total cost, APR, term, add-ons, trade-in value, and insurance before signing.
Review scope, permits, payment schedule, exclusions, and change-order rules.
Watch for minimum payments, deferred interest, BNPL stacking, and promo deadlines.
Record renewal dates, prices, cancellation steps, and proof of cancellation.
Save photos, receipts, serial numbers, policy details, and claim proof.
Verify payment instructions, invoices, links, and urgent requests before sending money.


© Copyright 2026. Expensive Mistakes. All Rights Reserved.