A guest house may seem like something that's only available for billionaires, but Costco is offering an option that could ...

That last element is temporary, though because for a short time only, Costco is taking a whopping $500 off. $2499.99 Shop Now Use it as a storage shed ... a floor kit, and pre-assembled doors ...

Note: If you are not a Costco member or prefer to shop elsewhere, keep reading. Our preferred choices on sheds from Amazon and other retailers are listed as product buttons throughout the story ...