Shaving Cream
If you can buy the very same product at a much cheaper price at the dollar store, then why should you even spend $2.99 for a shaving cream from CVS? You might even find an expensive holistic expectorant in the dollar store. Make sure to stack up against your boxes!
Advil
Small packs of Advil from the drug store are a bit costly. Most of the time, your headache can be so strong, that you would not mind spending a large amount of money. However, instead of paying a lot of money, you can head over to the dollar store and get a three 2-count pack for only $1.