Motor and transmission

I had him haul my pick up too his place of business my transmission went out then he told me my motor was bad also so he told me an estimate price it I gave him money said ok do it he put a used motor in my truck and transmission both with low miles I felt safe for I have never been wrong took him 2 months for that too happen and the transmission still does not shift correctly and about a week into him having my truck ..my sons blew his motor up that was bad ..so new crate and motor and transmission that took him 4 months we had to purchase another vehicle for this reason missed all kinds of occasions and emergencies so we purchased another vehicle and today we get my sons truck back his quotes are $3.000 dollars extra I wouldn't recommend him to anyone if so pissed