ASan Francisco: Transportation from SFO to hotel after midnight on a weekday
Booking a shuttle in advance is probably the cheapest and easiest solution. Uber is a possibility or taxi. The trains definitely aren't running after midnight.
AOakland: What is Oakland like?
Oakland is an awesome city! (Disclaimer: I'm a resident and have fierce pride for my scrappy city.) Sure, there are a few areas that aren't particularly safe, as with all large cities. But general common sense about urban living goes a long way towards personal...