Well, if the price gets to $40, he would have roughly 40,000 users. That's roughly $800,000 in gross revenue. (20,000 * $40.) Assuming the operating costs are

Well, if the price gets to $40, he would have roughly 40,000 users. That's roughly $800,000 in gross revenue. (20,000 * $40.) Assuming the operating costs are low, this site could bring in a life changing amount of money for one person. Edit: It's interesting to think about whether he'd make more money with the price going up logarithmically.