First of all, I don't trust public sessions. And there's not reason to risk 100k in a session with 30 players if you don't get any "high demand" bonus.
I'd rather have angry NPCs coming after me than other players.
I just sold a car in a "solo" session without lowering it's value. Here's how i did it. Might help out to someone who's doing the same thing.
First I bought the Turret Limo when it was on sale 2-3 weeks ago. Didn't think I'd use it until now.
Now I'm using the cheapest wareh