Originally Posted by HarborBandS

Good luck. One piece of advice---once you apply the pressure hard enough to bend the steel, it's easy to go too far. That's why I liked "RJ the Bike Guy's" threaded rod method of cold setting on his YouTube channel. It's much gentler than Sheldon Brown's 2x4 lumber lever method.

I find a frame alignment gauge to be a necessity for this stuff (probably $50 new?). And drop out alignment tools (which are outrageously expensive). I built my dropout alignment tools out of threaded rods, nuts, washers, and wingnuts, and they do the job (also an "RJ the Bike Guy" video shows how to make these).