2008 Chevy 3500HD tow truck

2008 Chevy 3500HD tow truck 2xx,xxx miles 6.0L engine, Gas engine, Tags are not up to date Power windows, AC works, Power locks needs a new battery to start, Driver door key lock needs to be fix Lift works but I changed the hydraulic pump then the lift slowly comes down after couple days. Don’t know what problem is Truck comes with tools and electronics $15000 obo Motivated Seller Email for more questions Please leave your name and phone number