A: One hundred - One to screw it in and 99 to hold the house hostage.
I don't know, because they charge you $500 for the iLightbulb.
Does it have to be a light bulb? I've got this neat candle holder...
A polite bulb.
By the ears
FORE!
One, but it will take 13 attempts.
A: Seven one to change and the other six to sing about how good the old one was.
There still working on it...
A centipede with a wooden leg !
Bernd-wagoners!
Asif (As-if)