Right behind the visitor's bench. These seats are readily available for most games if you buy on Stubhub but you're going to pay a premium for them. Don't ever walk up to the box office the night of the game and ask for tickets in section 102 because that won't work. Some stair climbing will be involved but only if you sit below rows 17 or so.

Navigation around the stadium is pretty easy although the concourses seem to have shrunk since the renovation. You won't really be able to escape paying for the expensive concessions because there is virtually nothing outside of the arena in the way of dining but that will all change when the Warriors move to San Fran. Check out the Warriors in the Oracle while you can because it's all coming to an end soon.