Do they use coupons

Yes

Yes , and also download the shop Rite app.

Yes, you can also download the ShopRite app. So if you get a ShopRite card you can use a coupon and find a ShopRite sale and use them both. For example they had a cereal on sale and on coupon and i had a manufacturer coupon all together i paid $1.25 a box .

Ill also say Yes ;)