You can get it given to you if you print up some "free e-waste collection service" flyers.

Here's one (Australian?) guy and his small business, with some examples of the stuff he collects: https://www.youtube.com/watch?v=BbMmuLDMx4Y

> I'm interested in buying hardware for my own nefarious purposes. Can you post links?

Checkout some of the insane setups on DSLReports [0], check out the pics. Here's an example [1].

[0] https://www.dslreports.com/forum/homephotos

[1] https://www.dslreports.com/forum/r30877673-Darby-Weaver-The-...

You can find tons of used servers on ebay. That's where I bought all my homelab server stuff. Just don't buy very old stuff.

places i found info was reddit homelab[1] and serve the home [2].

[1]: https://reddit.com/r/homelab [2]: https://www.servethehome.com/

google "refurbished servers"