Hippies don't screw in lightbulbs they screw in dirty sleeping bags.
A: Twenty-one. One to change it and twenty to form a fact-finding committee to learn more about how it's done.
Hella. How long does it take them Days.
None, it's a hardware problem!
One to hold the bulb, and the rest to screw the whole world.
A square dance.
Because money doesn't grow on trees.