Tips on how to sell MDMA?

Don't know where else to post this.

But, how do I start dealing MDMA?
What should I know?
How do I prevent getting caught?
Any experience or advice you'd want to share?
How should I sell it?

OK if you ever have the need, get people who live around the police, or whoever, to make a simmlar sound, maybe three brush sounds a 3 pats. Now when they see you, you hump with the sound, you brush 3, and pat three, now it all ties together in there minds. Then if you can hide a a playing movies clip on any phone, with a sound just like it and gay guys humping. It should throw him off.