How complicated would it be to host my books myself and sell them through the site?  I’m competent enough to know that I’d need server space and some sort of software package to handle the sales, but not competent enough to know how simple/expensive it is to acquire and set that up.

(By “myself,” I don’t mean “physically host a server in my house,” unless physically hosting a server in my house is easier than I think it is.  I’m just wondering about ways to sell my books that put 100% of the sale into my pocket rather than the cut Amazon might give me.)