As a Domme, I've actually been through scammish behavior a couple of times in this industry. I'll name my big two.

Eros scammed me out of $80ish. Made me pay for an AD first but wouldn't post it. Wouldn't tell me why they wouldnt post it (breaks tos), and wouldn't refund my money. They got annoyed at me at one point for asking for a refund and gave me even more hoops to jump through (I had to re-reverify myself, etc etc). Absolute scumbags. My ad never went up and I never got a refund.

I also had a regular scam me ON NEW YEARS DAY. Asked to pay electronically, then sent a screenshot of the payment but called the company after to cancel the transaction. I've seen him plenty of times before so I trusted him. Apparently he was going to move so he figured he'd screw me over since he was never going to see me again. Going to keep this story vague, but I made him give me the money owed a couple weeks later when he recontacted me and pissed me off.

This last interaction really messed me up, and made it much harder for me to trust others. I went out of my way to give him an amazing New Years and he betrayed my trust. Insane. I was so good to that person too.