Don’t buy off of eBay. Buy from someone who has a good reputation on Pinside. Don’t worry that you have to buy a pin now or you’ll miss out - another equal or better deal will come along. If you're buying an older game, focus more on condition than saving a few bucks upfront.

Search on here. There are several vendors/members who repair boards for a very reasonable cost. Send them the board or board set and they will turnaround pretty quick. Most of the time it’s a common issue. They will also perform general maintenance or “bulletproofing” of the boards by beefing up common failure areas.