On a merchant cash advance, you do not make loan payments. You deliver remittances: portions of your receipts that go to the funder until the purchased amount is paid. Daily remittances come out on business days, Monday to Friday, and skip bank holidays.
There are 2 common ways to collect them. Split funding takes a percentage of each card settlement before it reaches you. A fixed ACH debit takes the same amount every business day or every week, estimated from your average sales.
Example: A $67,500 payback over 8 months is 168 business days at 21 per month, or $401.79 per business day. On a weekly schedule, the same deal is 35 payments of $1,928.57.
Remittances on a true merchant cash advance are supposed to track your sales. If a fixed debit no longer matches what you take in, ask the funder to reconcile it.