I just spent 160 USD online on seven books in my canon so if you're wondering what it's like having a kintype from a book series that's been out of print longer than your parents in this life have been alive, imagine doing that and then looking at the final four books you know you'll never own because they're going for 100 USD or more each. Oh, and the series is so obscure that if you try looking up anything about it, you can't find plot summaries or pirate the books even if you wanted to. OH, and also I spent 47 USD on four books from my series at the used bookstore in my town yesterday in order to obtain everything as cheaply as possible. That's 207 USD total and my set isn't even complete. (If I ever find another kintype I hope it's from a single book and not a series, please, please don't let me do this twice.)
I've spent so much time and effort and money just to get to read these things that the next person who says obscure kin are hipsters or there's no way anyone could take 'kin seriously is going to get pelted with all these books packed into a bag. I wouldn't go through this much work to get ahold of these if it was "for fun" or "not real".