If you have a "1 Free Candy Purchase ($3 value)" in-app offer,

Potential options:
1) Trident Singles (3) - $1.39/ea and BOGO50%
$3.48
-$1 off 3 digital coupon in app
-Free Candy (not sure if it'll take $0.70, $1.39 or up to max value of $3 off)
Pay $1.78 (worse case), $1.09, or $0 (best case)
Get $2 ECB
Net: $0.22MM, $0.91MM, or $2 MM

2) Trident Vibes (2) - $4.99/ea and BOGO50%
$7.49
-$1.50 off 2 digital coupon in app
-$1 off $6 candy CRT
-Free Candy (not sure if it'll take $2.50 or up to max value of $3 off)
Pay: $2.49 (worse case) or $1.99 (best case)
Get $2 ECB
Get $0.50x2 from Ibotta
Net: $0.51MM or $1.01 MM