I've had a long-standing rule to avoid getting involved in any sort of crowdfunded activities. I didn't donate to Shadowrun or Wasteland, but I did buy and enjoy both of them (I'm plugging both of those games right now, just so you know they're good). I haven't...
Don't specialise. Upgrade all of your skills as you play.
Gold hangs around for a long time so don't chase it until you've cleared a screen.
Smash stuff that looks smashable, but be ready for monsters to jump out at you.