If you have a $5/$20 Spend Booster, I saw this scenario on Couponing With Kayla on YouTube and below is her scenario (there is also a $3/2 BIC Ibotta rebate and a $6/2 Checkout 51 offer):

Spend $20 Get $5WCash
Spend Booster Scenario:
Bic Razor Deal: $12.98
Colgate Deal: $7.98
Total: $20.96

(2) $4/1 Bic (Digital & 5/1SS)
$4/2 Colgate Digital
Pay $8.96 oop
Earn $5WCash for Booster
$5RR for Bic
$4WCash for Colgate
Final Cost: FREE + $5.04MM!