Answer:
I am bought by the yard but worn by the foot
Package beneath a tree, inside a tasty treat. Keep it for a month, the taste is just as sweet. What am I?
You hold my tail while I fish for you. What am I?
My first half means container. Not a lot of people understand my language.
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?