Dollar per gallon sale time again. Aqueon tank.
40G breeder and 55G are half off.
EDIT: also if you order online and pick up in store there is a 10% off code pickup10
**also if you find other stuff at this store to buy, or the other one petsmart like tanks, foods and supplies, they will price match lowest advertised same item/size like fish food, Prime, filters, driftwood, etc. if they are from the major online retailers, including their own online prices. Not for live creatures though.