Building DIMMsum: a price tracker for used server RAM on eBay

This project exists because I bought 30 sticks of 16GB DDR4-3200 RDIMM for an EPYC build in early April: an r/homelabsales find at $80 a stick, which was a fair price that day. The problem is that that day turned out to be the exact top of the market. Buying the top is pretty standard [ ]