> I'm probably not going to hit the weekly limit, but it makes me nervous that the limit is weekly as opposed to every 36 hours or something. If I do hit the limit, that's it for the entire week—a long time to be without a tool I've grown accustomed to!

Well, not the entire week, however much of it is left. You said you probably won't hit it -- if you do, it's very likely to be in the last 36 hours (20% of a week) then, right? And you can pay for API usage anyway if you want.