This market looks like it may have room for some decent profits despite it being a little saturated. Am I wrong in this observation? I'm worried about how to go about distinguishing...

You answered your own question. 'unbelievable prices.' This site is a scam. The 'Contact Us' page should always be one of the first you look at - notice that they didn't even fill out...

Just as the title implies. Looking for DJ equipment of all kinds: turntables, mixers, headphones, even vinyl. I can bulk purchase. Dropshipping not necessary. Thanks, Matt