Before you decide to play, definitely watch the following video on how to optimize your leveling abilities.
tl;dr coming soon.
Community Resources from Reddit
We already have a rich variety of community resources that can help you on your journey:
DPS-Calculator - explanation
Interactive map of collectibles
Basic Gear Cheat Sheet
This is a series I have started and expanded on as we were approaching launch. The General FAQ contains the collected questions that were often asked as we were approaching the Closed Alpha. The Survival Guide was created to expand on the FAQ and has the goal to give you a base knowledge about the game, how it works and the rough mechanics. As we learn more, these will get updated and expanded.
Map / zones
Enemies, Combat, Communication
Base of Operations / Important Contacts
Mega-Map / Intel
Weapons / Weapon Talents
Character Progression, Character Attributes
Equipment / Grenades / Consumables