Amazon offers the Aveeno Baby Calming Comfort Bath 18-oz. Bottle in Lavender and Vanilla for $3.50. Add it to your cart via Subscribe & Save and the price drops to $3.32 at final checkout. With free shipping, that's tied with our expired mention from three days ago and about $2 less than you'd pay in local stores.
Note: Be sure to cancel Subscribe & Save once your order ships or you'll be billed for subsequent shipments.