That's a bit harsh, that's a distribution problem, not a development problem. It's been long time since I've used free hosting, is there provider that doesn't limit bandwidth? (This is just out of curiosity.)

We don't :) (Weebly)

Not yet.

No. Down the line, maybe a cap on the very top end (tens of millions of pageviews per month) -- if that becomes a problem (it hasn't yet).

But we have absolutely no problem serving high traffic sites (millions of pageviews per month) for free, it hardly costs us a thing.