Costco rolling out game-changing new feature on mobile app

For some wondering if their local Costco has a particular item in stock, the days of calling or showing up to look may be over. 

That is because Costco has quietly rolled out a "search warehouse inventory" tool on its mobile app for some customers.

The feature is in Beta testing. It can be accessed by clicking "warehouse" on the bottom, which is in between "account" and "cart."

Customers' selected stores will show hours, gas prices and then have a search bar. Once the search bar is clicked...