For 10 years. $10 a year. The important thing is to find people committed to building great sites for the long run. If you're not willing to put in a little bit of money, then it's not for you.
One, Asking for even a dollar makes it inaccessible to a vast part of the world's population. Two, it just makes the project sound like a scam.
There are a myriad of "simple web" projects out there that do technically a "basic web like in the good ol' days", no money required, and actually have specs and implementations to show, in contrast to "a folder".