Artflakes used to be OK, but several years ago.
Now, for me, they sell next to nothing, and if they do, once in a blue moon, it is usually followed by a refund. I stopped uploading long time ago.
What site is Fine Arts?
Generally, POD is not what it used to be. My best years were 2013-14. 2016 was bad, 2017 so far even worse.