I rented a car and stayed in a town a few exits away on the freeway cuz it was much cheaper than actually staying in Oakland. I forget what it was called, but traffic to the interview in the morning was way worse than I expected. Luckily, I had planned for a Starbucks break, so I had a few extra minutes to spare and they provided coffee at the interview, so I got my fix too.
I'd try to stay somewhere close enough that you don't have to drive very far. However, it's located in the intersection between the sketchy side of Oakland and the not as sketchy side of Oakland, so be careful what side you decide to stay at.