If you shop at Costco in Montana and want to get the best deals, here are a few tips that you need to know about. He told me about things to look for to ensure I'm getting the best deals on items that I frequently buy. How to Get the Best Deals at Costco in MontanaCostco Store Getty Images loading... So, the next time you step into a Costco in Montana, make sure to keep an eye out for discounted items throughout the store. Gallery Credit: StackerDiscover The Magic of These Adorable Small Towns In Montana Looking for the most adorable small towns in Montana?