kmart, walmart, and any food store basically
yes
In 2011, anywhere from 75 cents to $1.25. (probably more in Hawaii and Alaska).
The term "Payday" is slang (I'm not sure if it's still used) for the day you're payed by your job. Since this is considered a day of ease and anticipation, they named a candy bar after it.
its a candy bar mainly composed of salty peanuts held together by a nougat in the center.
Holiday Ribbon Candy
Candy Cane Trees
Candy Canes for the Holiday Season
How Candy Corn is Made