How do stores with very cheap prices maximize their profits??

im not talking about Wal Mart here!! im talking about dollar stores, for example. usually in those stores, everything costs a dollar (from what ive heard). its a given that the stores have a lot of business expenses such as that of renting the building it occupies, getting items shipped, etc., inventory and... show more im not talking about Wal Mart here!! im talking about dollar stores, for example. usually in those stores, everything costs a dollar (from what ive heard). its a given that the stores have a lot of business expenses such as that of renting the building it occupies, getting items shipped, etc., inventory and employee wages. do the revenues even match up to the business costs themselves?? it seems hard for that to happen considering the very low prices they charge.

does anybody have any idea how it works for them?? ive been so curious about it all lol.
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