Dollar Tree carries a variety of household products for only $1.00. The best part? Dollar Tree accepts coupons. Clip or print your coupons for an easy deal on Colgate toothpaste. Use a $0.50 coupon at the register to pay only $0.50 per tube. Pick any variety–just pay attention to the size restrictions. Make sure each tube is above 3 ounces! Did your coupon beep? Get advice here.