Basic Things Every Erotica Writer Should Have and Should Know

I was talking the other day with Bryce about how to make covers, and what tips and stuff would be good, and then I thought about it... if I really wanted to do something here to help beginners get off the ground, I should really start with the basics, rather than just covers... of which I admit I know very little about since I don't make my own.
What should an erotica writer possess in order to start writing?Basic Understanding of the English Language: You'd be surprised how often I open up an...