Digital price tags are popping up in more stores throughout the country, but some shoppers worries prices could be changing ...

Because of the price spike, Billingsley said, his customers will pay $27 for one lobster roll this summer, at least in the short term, an increase of $5 from last year.

A lobster roll at Després' restaurant is $19 with sides, a price that he set two years ago. But in the two years since he set those prices, the cost of lobster has more than doubled.