I collect vintage Pokémon cards, and they're quite hard to get a hold of. Often, the card I needed was only available in a bulk lot someone was selling. So, through trying to source cards for my own collection from old box sets and starter packs, I ended up with a lot of "spare" cards. Selling the spares started as a side hobby, but I soon built up an inventory of over 1,000 cards and realized I needed a better process to keep the logistics smooth and manageable. Each one needed: 1. its own