Amazon has the 3-Pack 2.11oz Rogaine 5% Minoxidil Men's Hair Regrowth Treatment for $52 - 5% off with Subscribe & Save (can cancel at any time) - $10 off $30+ at checkout  = $39 with free shipping. You can also get a $10 Amazon credit when you apply coupon code SUMMERBEAUTY [Exp 5/26].