This mop and broom holder from Dollar Tree doubles as an adhesive curtain rod bracket. Just cut the holder in half, apply it to the wall, and insert the rod.
The Budget-Friendly Dollar Tree Hack To Hang Up Curtains (Without Drilling Holes)

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This mop and broom holder from Dollar Tree doubles as an adhesive curtain rod bracket. Just cut the holder in half, apply it to the wall, and insert the rod.