Lawsuits.
or
"The way you make me feel, it really turns me on!"
or
Two. One to take out the bulb and drop it, and the other to try and sell it before it crashes (knowing that it's already burned out).
or
Only one. But he'll leave a big puddle of spit on the floor underneath him.
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Twenty. One to hold the bulb, two to turn the ladder, and 17 to be on the guest list.
or
If Trump gets Alzheimers his IQ will go up.
or
Stairs.
or