if your having trouble getting online theres about 2-4 different ways of trying. Sometimes it takes a game/console restart or you gotta wait a bit.
first 2 days were glitchy as hell
3rd day managed to level my guy up to level 13
4th day character gets deleted and I have to restart
today - went online for about an hour before the cloud server disconnected and havent been able to go online since lol
been trying to get that Kifflom achievement for single player which takes forever
Kifflom! Achievement in Grand Theft Auto V