To help you shop smarter, the Hearst Television Data Team has developed the Prime Day Deal Checker tool. This tool compares a product's price with its lowest price of the year and the last 30 days, then rates the deal as very good, good or not good.

Price-tracking tips for Prime Day savings Amazon Prime Day is back. These tools and tricks can help you save the most money during the July sale.

Price-tracking tips for Prime Day savings Amazon Prime Day is back. These tools and tricks can help you save the most money during the July sale.

Price-tracking tips for Prime Day savings Amazon Prime Day is back. These tools and tricks can help you save the most money during the July sale.

Price-tracking tips for Prime Day savings Amazon Prime Day is back. These tools and tricks can help you save the most money during the July sale.

Price-tracking tips for Prime Day savings Amazon Prime Day is back. These tools and tricks can help you save the most money during the July sale.