A huge part of Amazon's success is that they don't do all of the warehousing. It's quite easy to become a seller on Amazon and ship stuff from your home. That's

A huge part of Amazon's success is that they don't do all of the warehousing. It's quite easy to become a seller on Amazon and ship stuff from your home. That's how they can have such a massive selection of items for sale. Obviously they also have huge warehouses. Good luck competing with them though :)