Most affordable way to build collection?
I am new to pin trading and want to build up a collection of pins that I'm ok with trading. My husband initially gifted me a mixed bag of pins he got online so I'd have some I wouldn't mind trading, but we've determined many (if not all) of them are fakes/scrappers. Not a big deal to me for the ones I liked enough to keep and display, but I want to make sure I'm only trading legit pins so I'm back to square one in terms of collecting some pins that I wouldn't mind trading.
I imagine one option is to buy starter packs where you get multiples. Are pins like these official pins for trading?
Junk Food Mickey Mouse Pin Set 3ct
Are there any less sketchy ways of buying used pins to build our trading collection for a bit cheaper? I almost feel like I NEED to buy mystery sets or else I'll only ever buy ones that I like and then don't want to trade!