Use a hyphen when the parts of the compounds are not commonly used together. Common compounds: worldwide, clockwise Unusual compounds: community-wide, nutrition-wise
No it doesn't require a hyphen.
It does not need to have a hyphen! :)
No
It's not a word in the dictionary, so yes, use the hyphen.
I do not believe that multitasking is supposed to have a hyphen.
You typically need only capitalize after sentence-ending punctuation, which a hyphen is not.
no
No
No.
no
Yes, in-home does need a hyphen. It's two words put together to form a word for a different concept.