for retailors it is an opportunity to take advantage of everybody.that retailors use tricks to try and keep you in a store longer and get you to spend more money. we wanted to look how this works. back today to reveal the tricks the stores use to trap you in is reporter, heather and joining us amy a mom of three who worries she is a target. when you shop what is your biggest concern? >> you go into a store on plan on a budget or a goal of going to buy one thing, two things and once you get into the store it's all over. everything you set out to do is gone. >> anderson: i can never get out of the store. like i feel like i can't find the exit. once you are trapped on the upper-levels of the store they keep you there like a casino. >> it's my happy place. i'm not looking for the exit. >> anderson: amy agreed to go undercover during her trip to the mall. in our hidden camera investigation we sent amy, a mom of three undercover in a department store and gave her three tasks. what amy didn't know is that our retail expert watched her every move exposing tr