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...
For better landings always catch your runner in mid-fall.
Magnets are useful, but not if you're not earning as much as you're collecting.
Fun thing is some of the power-ups work best in tandem so experiment and see what works with what.