I’m used to make a couple grand a month from via my dictionary site, via Amazon, when i was working with a guy (software) i met back in michigan. Unfortunately he was too greedy, short-sighted to put effort into his software, instead he kept trying to build and maintain store sites, while the software kept breaking, until the sites weren’t being updated. if you pay for a tool, try to find one that has more than one guy backing it.
These days I’m selling Carbon Offsets at http://www.4offsets.com, where i’m the affiliate manager, an affiliate and the founder/owner. 
I suggest you try to turn your hobby into an affiliate business, if you garden, run, read, travel, cook, collect, there are lot’s of ways to work that into an affiliate business.