People are asking to give you money for features, so make that your primary focus. If someone is offering an unsolicited idea that they offer to pay for, I'm sure that feature will be worth your time to implement.
How much work would it be to set up your site with some ad network? It may not be worthwhile for you optimizing the ads you are selling, but it will at least give you some money from the free accounts.
How much work would it be to set up your site with some ad network? It may not be worthwhile for you optimizing the ads you are selling, but it will at least give you some money from the free accounts.