Seems like a very low effort approach would be to create a few unobtrusive but visible ad spaces on your site, and make the ad banners say: "## eyes see this s

Seems like a very low effort approach would be to create a few unobtrusive but visible ad spaces on your site, and make the ad banners say: "## eyes see this space every day; rent this ad space. contact ..." As for what to charge or how to structure the ad sale, do a little research or hire someone who knows that business (and give them a cut of ad revenue or some other attractive compensation).