Read FAQ. This is a good starting point for every newcomer on here. It sounds boring but it will give you a starting boost for sure.
Advice No. 2
Read forums, you can get all kind of information, from stock tips, mission guides, who is accepting new members into their crews. Keep your eye on forums.
Advice No. 3
Head to Gymnasium. It's located under CAMPAIGN menu. Train strength so you can carry more booze and earn more money while doing it.
Advice No. 4
Build a team. Here is a quote from basketball legend Michael Jordan "Talent wins games, but teamwork and intelligence wins championships."
