[jcrawfordor]

Honestly, for various structural reasons, hobbyists are sort of actively discouraged from running Tor relays. It's less of an issue with middle relays than guard or exit but in practice Tor has a strong reliance on trust in relay operators, so small-bandwidth relays popping up onesy-twosy is much less desirable than institutional operators with significant resources.

Which is all just one reason that, of the set of people running Tor relays on residential internet connections, I'd wager a solid 99% shouldn't be.

[zbrozek]

A symmetric gigabit with unlimited transit isn't terribly small though. And the super-awesome side tail of residential service continues to march forward. My own home connection is symmetric 10 gbps.