Neutrogena has discontinued its oil-free anti-acne moisturizer. I saw this at Big Lots for $4.50 per box. It is selling on eBay for about twice that price. The listing below is for 2 boxes that sold for $16.99 on May 1:
You could put several of these in a lot together and make a nice profit. It has been my experience that discontinued Neutrogena products sell very well on eBay. If you find any of these, you may want to hold on to them and list them in a few weeks when the supply is even lower. For more discontinued items like this that are good sellers on eBay, check out my latest Hot List with 25 items just like this.