Amazon has Arm & Hammer Ultra Max Invisible Solid Antiperspirant Deodorant, Cool Blast, 2.6 Oz for as low as $0.68 after clipping the $1 off coupon and having 5 subscriptions with Amazon Subscribe & Save. It actually came to $0.72 for me after tax.
https://www.amazon.com/Arm-Hammer…B0013N
You can cancel subscriptions after items ship. Amazon Prime IS NOT required.