All Gerber clothing(onesies, sleep n plays, mittens, hats, training pants, burp cloths) are on sale at Target in Gardendale...
Training pants(3)-$4.61
Sleep n plays(3)-$7.06
Hats(6)-$4.88
Onesies(5)-$6.28
I can't be certain that they're on sale at all stores but they appear to be trying to get rid of them so I'm thinking they may be.
ETA: I also got a supermega pack of Huggies Pure & Natural diapers for $13.28.