Yeah. I've gotten pretty good but still have some old electronics and computer-related stuff in my attic that I have no real reason to hold onto but have no interest in going to the trouble of finding someone to take it off my hands and probably basically hoard it.

What would be the fine difference between hoarding and collecting?

Whether or not your home smells like rotting garbage. There is a big difference between filling some shelves with obsolete gadgets, and having a big pile of rotting food covering every food preparation surface in your kitchen because you have a severe untreated mental illness. Let's not whitewash the reality of hoarding to shame some nerds for having obscure interests.

If you are a magnificent dragon, you have a hoard, if you are a puny human, you are just collecting.

Actually using or curating the stuff.

Well, one test if it is causing nevative impacts in other parts of your life.

What does one do with treasure but hoard it?