LOL, I can just imagine...
Demon Stall Guy (DSG): That'd be eight hundred and fifty-seven bucks/credits for that magical amulet and the set of enchanted crystals.
Demon Customer (DC): Ummm, okay. Put that on my credit.
DSG: Okay... It better go through. Or else...
*swipes through machines... BEEP!*
DSG: Your card is maxed out, you better have another or you pay for your purchases with your life.
DC: Okay! Okay! Don't get so upset. Here, try my savings. I should have been paid for that innocent kill job last week.
DSG: ...
*tries again, purchase goes through.*
DSG: Here's your card, and if I see you using that maxed out card again...
*holds up sharp athame*
DC: Thanks! Got to run!
*Grabs stuff, shimmers off*
BSG: Bloody hell... Opps, nevermind.
Anyway, good to know. I was kind of wondering the same thing.