Double-Sided Tape
At the dollar store, you can get a roll of 130 inches at a much lower price. While it is shorter than the 450-inch roll available at Staples for $4.70, you can buy the dollar store tape for a fifth of the cost per inch!
Cotton Swabs
Cotton swabs from CVS and at the dollar store are the same product, so why waste money on them? CVS sells a box 170 swabs for $2.79. We don’t know about you, but we’d rather go for the cheaper Q-tips since the differences are quite subtle.