CHARLOTTE, N.C. – Today is the busiest day for shipping as shoppers look to get their gifts delivered in time for the holidays.

Many online retailers are offering free shipping and experts say today could be the biggest online shopping day ever and shoppers rush to take advantage of the deal.

To find out what stores offer free shipping, check out www.dealhack.com. They offer a spreadsheet of stores in alphabetical order and their shipping prices right now.