Michigan Meijer stores weekly sale ad shifts to run Wednesday through Tuesday instead of Sunday through Saturday.

Meijer is dropping prices on more than 70 Meijer brand grocery essentials this summer, including Meijer brand food and drinks popular during the summer months: hot dog and burger buns, potato chips, ...

From competitor coupon policies, to weekly ad start dates, to self-checkouts - several grocery chains are switching things up.