X2 on stock1970
RivRat,
You and another bud or two with many Bud Lights can get the cage up in a days time. There are many threads on Classic on genius ways of doing it. 2x4s and ratchet straps and constant tape measuring will get it up and square, then tack in place. If you are happy with the looks and function, then get a pro to weld it in.
I really like Bob's cages, BUT every EB is a lil different. I just bought a fully welded cage that does not fit flush at two points. Some long bolts should fix that but I will have to grind a 1/4" off one foot plate. Bob's cage is very affordable until shipping costs come into play. Same can be said for ExtremeFab. ExtremeFab sells a nice 6pt cage and its on sale now, but plan to spend upwards of around $100-$150 shipping on either cage. Either Bob's or Extreme's cage will run you around $600-$800 delivered (maybe cheaper on location). Invest in a real nice MIG welder w/ gas for around $500-$700. You can weld it in place yourself and you get to keep a welder for other projects.
As far as going to 4x4 shops, I would check out machine shops that have welding service (certified welder on staff). If you have it tacked together and can drive it up to their garage, they may do it for a couple of hundred. If the metal is clean of rust/paint, then 2-3 hrs shop time/ labor and consumable cost at $85-$100 per hr should be fair.
Again, just my 0.02 worth. Good luck!