There is a great stacking deal running right now at Target when you stack their $5 gift card offer (with $20+ beauty/personal care purchase) with a second gift card offer when you purchase 4 participating items. Here is an example of how you can use these stacks to get some cheap Pronamel through Saturday, with free shipping:
Target (through 5/16)
4 Pronamel Toothpaste $5.99
$5GC wyb$20+ Beauty/Personal Care promo code BEAUTY
= $23.96, get $5GC wyb$20+ (from promo code) AND $5GC wyb4 participating items
Final = $3.49 each wyb4!