Great stay in the Mission. This apartment is even larger than it looks in the photos. The living area is excellent. The beds are very comfortable. The kitchen is well-equipped. Really everything you need for a great and comfortable stay!
The location can't be beat -- right in the heart of the hip Mission, and close to multiple forms of transportation for those wanting to sightsee. Many, many great restaurants nearby. Also, the Mission is sunnier and warmer than other areas of SF. I used to live in SF and this is by far my favorite location.
We were traveling with a baby and the apartment was perfect...lots of space to crawl around and nice playgrounds nearby.
Tracy was a good host -- quick with communication before our stay and very helpful.
No real "cons" but a few notes are that there is no A/C, which is rarely a problem since SF doesn't usually get very hot. This is a house that the host usually lives in (except when there are guests, obviously) so be aware that there will be someone else's stuff in the fridge, closets, etc. This wasn't a problem for us since Tracy cleared out space for us, and is truer to the real Air BnB model versus the clearinghouse for vacation rentals it seems to have sometimes become. The street the house is on is very quiet for the city! Light sleepers will do even better in the inner bedroom, which does not abut the street like the master bedroom does (though, again, it's still quieter than almost any other place you would find in the city!).