Cotton balls, Q-tips, toothbrushes and even some basic hair care and body wash products ... as your wallet: Dollar Tree isn’t solely a place to grab a quick snack or a cheap toy.

But the rock-bottom prices have many consumers wondering: Why is Dollar Tree so cheap? Are dollar store ... Costco and then sell you the individual products, says Willie Greer, founder of The ...

The viral products have been in high demand, as many have realized that Dollar Tree's stock is hard to track down. "I could not believe that they had these," Kim said, holding up the Glow Up Serum.