Checkout the insane amount of money Goodwill makes because of people getting rid of their "junk". There are 151 independent Goodwill organizations and all of them have a CEO, usually making 6 figures a year.
https://paddockpost.com/2025/02/14/executive-compensation-at...
If people are giving stuff to Goodwill with no compensation, I'd say they definitely would give eBay stuff for a 30-40% cut.