I bought a homecoming dress there before so yes, they buy special occasion dresses. The thing about Buffalo Exchange is they have a lot of great merchandise so they are pretty choosy about what they buy. As long as you don't take it personal if they dont buy them its worth bringing the dresses in.
They do have a rack of formal wear so let them at least take a look at your items. You may have better luck if they are seasonally appropriate. I was in last week and was told they are now taking fall/winter items only.
Definitely wouldn't hurt to bring the dresses in, and have them take a look at them? You just may luck out!
Maybe its pretty random when it comes to what they buy usually current seasonal items for the most part but its worth s shot. Have you tried offerup ?
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