Thumb Score: +35

Costco [costco.com] has Kirkland Signature Fast Acting Lactase, 180 Caplets for $3 off until November 22, 2026.
The online price is $19.99 – $3 = $16.99.
But the in-warehouse price is $15.99 – $3 = $12.99. (Check the Costco app for availability at your local warehouse)
It’s Limit 15 so that shouldn’t be a problem for anyone.