I got a bid from Overhead Garage door for $4800 for a new door, operator, remotes, and the labor/materials to remove the column, patch concrete where column footprint was on the floor, and install a beam.

Cozy.co and rentec.com both offer free versions.There are more feature rich options which cost more.

He unlocks remotely, and people pick them up and drop them off all over San Francisco, sorta like a free-for-all zipcar service. 

Given the high barrier of entry in California I'm thinking of investing remotely in Michigan.

Russell, I just watched the whole BP podcast episode that featured you!

(In fact, when the  CEO of Zillow's house was on the market, his own company had a very off-base Zestimate.)Zillow is offering $1.2 million to anyone who can come up with an algorithm that improves the estimating feature. 

I suppose there is a minimal possibility that the certificates will remain outstanding long enough for me to foreclose the properties but that is so remote that I am not counting on that in any way. 

Again, use the search feature on here to see what has already been written about them.

Do you go with pull chain or remote (seems like remote could be an issue long term)?

And unlike so many "products" discussed on here, incredibly feasible without features that are detrimental to the borrower.