Better than expected. Kitchen and bathroom are shared with other guests. Host is living donwstairs in separate unit. You probably wont even meet host. But you will probably meet other guests, because of kitchen and bathroom.
Grocery store is accross the street, some restaurants are nearby too.
When exploring SF i m recomending BIG BUS, google it. One day should be enough if you start and the morning. Definitely go to the other side of GG bridge, big bus is going there.
Go to the alcatraz, buy tickets online.
Some other stuff pier 39, cable cars.