Aldi is one of many stores utilizing technology to make online ordering more seamless. But will its high-tech price tags impact your grocery bill?

Aldi is introducing new price tags that may reflect quick changes in costs, but some consumers are wondering what it really means for their shopping experience.

With many stores moving to these digital systems, Instacart is rolling out its Carrot Tags technology to more retailers—including Aldi, Schnucks, Gelson’s, and Hornbacher’s. Similar to Walmart's technology for restocking shelves, Instacart’s Carrot ...