Never use them, never would.

from both the client and provider perspective it is not a good idea -e-

...especially when I'm short on cash but good to go on credit. I love that I can earn SkyMiles or other reward points while poonin'. Digital trails, paper trails or vapor trails...who gives a shit??!! Amarite or amirite??!!  

Just like Female/male condom dilemma.Why not offer any/all options?  
That's my $0.02

Don't forget to wipe *me*!  

It would be really stupid for a client to pay for an illegal activity with a credit card.  Paper trails are not wise.  Especially when the client can go to an ATM and do a cash advance and pay you with cash.

But I would have some questions about keeping the information discreet.

https://m.youtube.com/watch?v=i8DRen60X10

...of you. You dumb shit. You're the one who advocates that no post should ever be removed but here you are, trying to crouch in your safe place. Tell your husband to knock it off, too!  

As a provider who offers CC option as a payment, I like it when clients pick that option.  But that's me!!! Lol  

How does this affect session?   Does it make it awkward when your "checking out?"    Does the guy just fuck the girl from behind as she is doing the transaction?  IF the card has trouble reading do u slide it between your lips to see if it will read(upper or lower lips..)    Would the session be affected if the guy does or does not tip??  What shows up on the billing statement?    Hmmmm......Do u hide the card somewhere on your body and make her look for it? Sensually?  That could be kinda hot..    

Too much of a trail left by a credit card transaction.

...and you sound like you lost your balls...this post is so not drummie like...reeks of a certain troll provider I know...

https://m.youtube.com/watch?v=3WAZ60xA9wo
 

People's replies about leaving a paper trail assume we're only talking about hobbyists using their personal or business permanent credit card.

...this subject has been discussed so many times on this board & nobody ever answers the question what's wrong with cash???

The reason no one ever answers it is that it's not a legitimate question.  There's nothing wrong with cash.  If I prefer to order apple pie one day, for not other reason than I'm in the mood for apple pie that die, why take this as a condemnation of cherry pie?  Preferring more options over fewer options does not in any way impugn the value of any of the options, and no one, not one person has suggested CC is universally better, or ought to replace, cash in the hobby.

...That's a bunch of BULL all that does is complicate the simplest of transactions & I get a headache just trying to follow  all the silly details, your first line was correct a moot question because there is nothing wrong with cash.

This is the very definition of trolling.  You posed a question, someone posited a sincere and cogent answer, and since the answer does not apply to your specific set of circumstances, it is "a bunch of BULL".  The spirit of the thread was "can you guys think of reasons why you might want to use a credit card" and not "can you think of reasons why mrhuck might approve of you using a credit card?"  The validity of something is totally unaffected by whether or not you approve of it.  Gravity does not depend on your approval or belief in order to exist, it behaves exactly the same whether mrhuck approves of it or not.