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...
Most things only harm Pancho's balloons, so don't be scared to let him take a few hits.
Some advanced levels require seesaw physics, so remove the bits of wood that don't fit such a mechanism.
You can win a level on just one balloon.