Wholesalers or…..?

A part of me feels that there are a bunch of drop shippers that are pawning themselves off as wholesalers/distributors… Oftentimes, their prices are the same, if not worse, than other online retailers. I can cross-reference 4 dozen products, and I’d say 1 or none of them would be barley profitable.. Why is this? I’ve heard of razor thin margins, but what I’ve been seeing is nuts!