@JakobFel if you're ever looking for old computers, specifically laptops, have a 65w universal laptop charger on hand when out searching. As an experienced recycling center visitor, having one of those handy with multiple charger tips is very handy for testing power on. And a recycling center is like an industrial garage sale.
Bring gloves if you aren't keen on touching potentially gross stuff
Use pricematching.com to help determine if someone is selling a game at a fair price