Amazon has the 0.5oz Differin Acne Treatment Gel w/ 0.1% Adapalene (30-Day Supply) for $8.58 - 15% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $6.86 with free shipping on $35+ or with Prime.