I own a 30A 1772 from my Nissan Leaf. I plan to use this as my home charger. Is anyone else doing this? What do you think?
I think you should try it. As you can tell from comments upthread, it's not a totally outlandish thing to do. If after you've lived with that arrangement for awhile, you find that the charging speed isn't enough for your needs or if you find dealing with the J1772 adapter to be inconvenient, you can then have someone pull a new circuit for a NEMA 14-50, HPWC, or whatever. Point being whatever you decide to do now isn't set in stone.
(I have two NEMA 14-50s in my garage...I have the UMC for my Model S plugged into one and a Clippercreek HCS-40P (J1772 plug) plugged into the other, for my wife's BMW 330e. The HCS-40P is massive overkill for the 330e's wimpy onboard charger but I can also use it to charge my Tesla if necessary, or another visiting EV.)
Good luck!
Bruce.