Starting 3/29, CVS will have Arm & Hammer; Spinbrush 1 ct or Pro-Clean Brush Heads 2 ct on sale for $5.99, plus you will get $3 ECB when you buy one. Use a coupon to get these for just $0.99.
Buy (1) Arm & Hammer Spinbrush 1 ct $5.99
Use (1) $2/1 Arm & Hammer Spinbrush or ToothTunes product coupon
Pay $3.99
Receive $3 ECB
$0.99 after coupon and ECB