First Response 3-packs are $18.99
There is a $2 printable coupon HERE that you can print twice
Inside the packages, there is a mail-in-rebate form for buy one, get one free.
The boxes are specially marked with a sticker on the outside of the box indicating you’ll find the form inside. Limit one rebate per household.
Total after coupons and rebate- 6 tests for $14.99