Bayer Advanced has a new mail in rebate offer where you can get up to $6 cash back on your purchase:
You will need to LIKE them on Facebook and then click the Save $6 app in order to get access to the rebate form.  The offer is limited to up to $6 per  houeshold and i for purchases made between January 1, 2012  and November 30, 2012.
You can find many of these products for less than $10 at many stores – making for a pretty sweet deal!