Donate

https://support.squarespace.com/hc/en-us/articles/206543967-Using-the-Donation-Block

 

12$ / month and you can sell whatever you want, receive donations, the works. 3% transaction fee. if you really make a lot and 2% would be better, it's still only 18% a month. for 26% you can set up a full fledged and supported store. in case you want to auction or anything.