If you're staying outside the city, drive to one of the festival's satellite lots and take the shuttles in. And budget about an hour to 90 minutes of transit time before the first act you plan to see.
Get in early, leave when you want
The earlier the better, really. Part of the fun of Hangout is that it runs early, so you can spend the morning playing flip cup on the beach and still get to the festival long before the headliners go on.
You can also come and go as you please, so arriving early won’t chain you inside until your favorite band comes on. Plan to get in about an hour before the first act you want to see on subsequent days so you have ample time to get beer, food, water, and beer.
How to see your favorite acts from more than 500 yards away
Look, Zoogma is a great band and we mean no disrespect to their fans, but they will be drawing a considerably smaller crowd than, say, Lenny Kravitz. So if Zoogma (or another band that's not a massive draw) is playing early on the same stage as your favorite headliner, go check them out. It’ll expose you to some new music, and then you'll be set up in prime real estate for the bigger name band coming next.
Beer is reasonable (and security is tight), but water is free. So bring a CamelBak.
Beers are a festival-reasonable $7, though if your condo is close enough, leaving for a quick power hour back home is much more economical. If you're thinking of the DIY alcohol route, there's pretty tight security checking bags at the entrance, but there are always ways to sneak booze, if you try hard enough.