That's not how it works!! You're supposed to pay for all the stuff in your cart, not just what you want too. Apparently she didn't realize that, cause she only rang up $3.70 when she had $1800 worth of electronics in her cart.
This is what she did. She removed stickers from electronics and replaced them with clearance item stickers. Yeah that will get you busted alright!!
See her mug shot HERE