Add Yahoo as a preferred source to see more of our stories on Google. Costco foodcourt hot dog sign - PJ McDonnell/Shutterstock Costco members know there are tons of hacks and tricks to maximizing ...

Costco is known for selling bulk grocery products, electronics, home goods, and even one major combo deal: the hot dog and soda. This $1.50 deal has remained a treasure through modern-day price hikes.