There are many webcomic artists who make a tidy profit on the same model (look at Rich Burlew's recent kickstarter.) If a niche artist can make that much, I'm s

There are many webcomic artists who make a tidy profit on the same model (look at Rich Burlew's recent kickstarter.) If a niche artist can make that much, I'm sure mainstream artists can make at least that much. And the value of getting the money directly with no middlemen is substantial.