Earlier quoted context omitted.
Hosting is actually free (as it should be). I used to be very active on Couchsurfing and have hosted dozens of travelers -- to rave reviews, and much more often than I stayed. It doesn't cost me anything to share a couch (or a room, on the rare occasion I had a spare). What I'm objecting to is the website taking $100/yr -- for what? It's unclear -- on principle, when communities like it have existed for far cheaper a…
How can hosting possibly be free? You need a parking spot and a restroom to offer.
So the fee is really only if you want to be a guest. But then you need to host to earn credits to be a guest.