Two. One to change it and one to yell "Ta-daa!" when he's done.
None. The mods do that for her.
2. One to screw it in and another to say, "I could do that".
Just one. But it takes about 8-10 visits.
Because he changed the light bulb before it was cool
Timbuuuuuurrrrrrrrton!
An old man yelling at the cloud
One is a cunning array of stunts.