The buyer was actually a very good friend and once I realized this we then communicated personally. The customer/buyer paid by personal check.
I would say on average I spend about an hour or two managing my website and checking in on the activity. I like very much the management of the site. It is helpful for me not to have to do the technical aspects myself. I have not used the tips page.
Yes, I would recommend Artmajeur to others. I have received praise from fans worldwide, which is nice, but buyers have been local and people who I know personally.
My advice: Don't raise your hopes up too high, or your prices.