Redirect

So, wondering how to move some really old sites and what the best way of going about it is.

Do you always sell on website marketplaces that offer adult domains with escrow services?
How about on GFY's buy and sell? How do you handle the finances in private sales, for instance? Have a bunch of questions before I move my adult domains.
Do you keep your sites live?

Decades long lurker, transitioned into mainstream a few years back.
Any help appreciated!