A few years ago I was at a con cosplaying as Link. A guy (idk what he was cosplaying as but it involved a grey trench coat) REALLY liked my cosplay and offered me $600 to suck him off in the bathroom. I was pretty broke from the convention and the hotel and cab and everything, so $600 was a lot, so I agreed. He caught up with me again later on as things were winding down for the day and offered to pay me another $600 and a $20 for the cab if I let him fuck me. Again, like, I didn't want to pass up the money so I said yeah. He had lube and condoms on him already, I let him deal with that because I'd never really even considered having anything up my ass before. I didn't tell him that though, cause I mean I sucked his dick earlier, I figured telling him "I'm not gay" wouldn't sound very convincing anyway so I just asked him to go slow and gritted my teeth.

Went back to the hotel room with a little over $1200 more in my pocket than I expected, ended up spending a lot of that the next few days on food and merch, and never saw the guy again. I haven't had the opportunity (or necessity) to do anything like that since then but it's really something knowing that if it came down to it I can take a dick for money.