Source: Regina Lewis, USA TODAY

This throws a lot of people off and is fairly controversial in the retail world: Sometimes when you're shopping, you have to add an item to your cart or show up at the store before you can see the price.

Many consumers think this is a red flag when shopping online and will pass over items listed with no price, assuming if the price was competitive, they would want to show it and it would be listed.

Read Full Article: Secrets behind the best hidden online prices