sell
You can store things in barns and tool sheds.
You can not store things inside microwave oven. You can store any things inside microwave oven only if you are in remote jungles of Africa and without electricity.
A warehouse
a store that sells things that have been used before.
No, people do not store things in their belly buttons, but I do believe it is possible to store a small amount of food in the human belly button.
Online or at a store.
no
no
go to the bag and click store items
Store is not that nebulous. Store is so much more up-to-the-minute
It is possible to buy many things in a designer store. Be on the lookout for things made by designers, or things with designer labels. Items will include things like coach and guess purses for starts.
The whole point of a store or shop being in business is to sell things. You wouldn't really build a store and employ sales assistants if you didn't expect to sell things.