> I'm also unsure how they even keep their 501c3 status
There’s a special carveout in the law. As long as they’re only selling donated items, they can remain tax exempt (or to be precise, that income is not counted as “unrelated business income” so they can keep it under the nonprofit).
There’s a special carveout in the law. As long as they’re only selling donated items, they can remain tax exempt (or to be precise, that income is not counted as “unrelated business income” so they can keep it under the nonprofit).