Amazon.com has 3-Pack of 2.11oz Men's Rogaine 5% Minoxidil Foam for Hair Loss & Hair Regrowth (3-Month Supply) for $44.99 - 15% off coupon on the product page - $11.25 extra savings at checkout - 5% w/ Subscribe & Save = $24.74. Shipping is free.
Note, you may need to select Subscribe & Save in order to clip the coupon. You must be logged into your Amazon account in order to clip the coupon. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.