Hi there @MissTery
There are several threads on erotica that may be of interest to you
Best erotic fiction site
List Your Top Literotica Authors
I’d say Literotica is my fav as it’s all free.
Not sure how easy it is to go about getting paid for writing erotica but I’d be interested in finding out!
I’ve written one for Literotica ( all submissions are unpaid on there) and it was a lot harder than I expected although I really enjoyed it.