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...
Look out for tacks on the road, for they'll slow you down and make you crash.
Use your double-jump to get extra air over the big gaps.
Don't forget to spend your coins to upgrade your vehicle when you get the chance.