Everything at Carters.com and Carters stores is 50% off (priced as marked). Try coupon cod CMS2512 for an extra 25% off orders of $40 or more. It worked for me!
Everything at OshKosh.com and OshKosh stores is 50% off, too (also priced as marked).
Check the clearance sections of both stores for even more savings.
$6 flat-rate shipping.