One credit-request packet per vendor, with the quote line attached as proof. Demonstration data below.
Which vendors drift and which hold their quotes.
Polite, documented, the same thing a vendor's best customers send. Whether to send it is your call.
Card, Apple Pay or Google Pay. In production this opens Stripe Checkout.
The packet is a documented credit request with the quote line attached. Most credits get issued without an argument, and whether to send any packet is your call.
Then we baseline against your own purchase history. Lines with no agreement and no history come back flagged, not scored.
If the audit finds less than the $750 it cost, you get all of it back. That's on the pricing card, not buried in terms.
Your accounting software records what the vendor charged. We audit whether that matches what the vendor agreed to charge. Different problem.
Production requirement: private US storage with a 90-day retention target and a tested deletion job. Customer records must not be accepted until that job is confirmed.
Because we won't invent them. They appear when real customers put their name to them in writing. Until then the refund carries the risk.