Where would u find a cheap white bed sheet?

i sorta need a white bed sheet for school tomorrow ( toga party =/) and i don't know where to find one.. you guys know what store sells one for cheap $ ?Where would u find a cheap white bed sheet?
ThrifT store, dollar store , I would use a white garbage bag before i set foot in a walmart, please use the garbage bag or a 4x t -shirt don't go to walmartWhere would u find a cheap white bed sheet?
Any department store with a bedding section.
Salvation Army-$1.99
Certainly not on my bed.
Walmart. I disagree with the first poster.
Kmart

korres