there are plenty out there that price you can get a good running safe truck that might need some cosmetics.
1st check the suspension and make sure it is done correctly. Mustang II, camaro or S-10 are the ones you will see mostly on GM trucks. S-10 is a fairly easy swap and the only issues would be tank placment and how the body mounts to the frame. Mustang II and Camaro ( IMO ) are much better but will take fab work. Check the welds for good penetraion and also check tire wear and see if they were put on straight.
Leafs or 4 link in the back is not a problem even original are fine as long as the bushings have been rebuilt. Again very simple process if need be.
Tank location....if at all possible get it out of the cab and between frame rails.
Check steering boxes for leaks and or biinding.
Check cooling and make sure it has enough.
Wiring should be checked as well.
Everything else would be cosmetic and just takes some time and a little skill.
Like I said there are plenty out there just wait and look