No generation is perfect, and when it comes to millennials, one area ripe for improvement is interior design. It's not surprising given how often this generation tends to move from domicile to domicile, that they aren't great at investing in the beauty of their home. Up-and-coming interior designer — and the go-to decorator for New York's fashionable gen Y-ers — Sasha Bikoff has seen firsthand what design traps millennials repeatedly fall into. Ahead, she shares the five biggest decorating mistakes this group of dwellers tends to make, as well as ways to amend them.