Must have shop tools
power brush wheel.....
assortments of steel of shapes, sizes, gauge.
a large cabinet full of sorted out bolts in all sizes,washers,lock washers, and nuts <-----thats my favorite
auto real air hoses...mounted of the ceiling!
lots of cans of good spray paint
soon i will be getting a plasma, im sure it will be great
suction cups for getting out some dents
O! break in kit for getting into cars that have the keys locked in
a good used tire changer, maybe balancer
pressure washer! pressure washer!!
mild acid for cleaning
the list can goo on. when i go to the shop ill try and think of some more