Luvs Diapers are $7.50 at Dollar General. Combine the $2.00/1 Luvs coupon along with a $2.00 Checkout 51 offer to score a pack for only $3.50!

Use one $2.00/1 Luvs Diapers (coupons.com)
And submit $2.00/1 – Luvs Diapers, via rebate app (checkout51.com)
Pay $5.50, Submit for $2.00 Checkout 51 Credit

Final Price: $3.50