That depends on your 'loan officier' and your 'credit rating' at the time. YMMV
It's tech possible for high-end owner or Indie girls with PC to 'finalize' payment before/after session. Just not really worth the hassles given few demand, like credit card, not as popular @ MP to clients with the paper trial & id nature.
Or Keytags like Esso Fastpay with frequent customers.
Now if we can use credit or paypal to accumlate some Air miles...