5/3. The same amount as for whites.
Just one, but it takes a really long time, and the lightbulb has to want to change...
Yarn.
None if nobody's looking.
Three. 1 to screw it in and 2 to talk about how much better Neil Peart could've done it
They were making the PC screens unusable.
Whites occasionally get inside a colored wash.
Blacking out and gaining money.