10 Shopping Mistakes You Probably Don't Even Realize You're Making By: Motley Fool September 21, 2019 at 06:30 AM EDT It's easy to blunder when shopping -- and it's costly, too. Learn to avoid these errors and you may save thousands of dollars. Read More >> Related Stocks: Amazon.com ConAgra Foods Costco Wholesale Starbucks Corp Target Corp Wal-Mart Stores, Inc.