As Secondhand September rears its head again, we round up the best vintage sites which are perfect for finding diamonds in the pre-loved rough. As fast fashion brands race to the bottom to provide ...

So, if you don't know where to start looking for the best vintage buys on Vestiaire, Ebay, Vinted and more, you're in luck.

Opinions expressed by Forbes Contributors are their own. I cover luxury travel—from takeoff to touchdown and everything in between. Nothing beats the hunt for a good piece of vintage clothing.