I picked up a nice Schwinn Tempo this winter. The rear wheel had a significant wobble, but I thought I could true it up. After 30 minutes of adjusting with poor results) I took all the tension out and found a tacoed rim. After reading the forum its probably a goner. It has a variance of about 2-3 inches.

I'm not building a classic bike, so what is a good inexpensive rim to start/learn with? 700×36......replacing a Weinman 513-622..........