> If I decide in the future (perhaps once my account is to that 50-100M range) that the site is more of a liability for me than an asset, I may close it, with or without grandfathering.

I'd like to offer to take care of it and manage all aspects of it if you ever get annoyed by it. These algorithms are life-changing and the more (and especially lower income) people have access to them, the better.