Depending on what stage of life you’re in, retirement planning might be high on the agenda, or it might be a distant goal. And while we might not scream “retiree hotspot” on paper, two Montana cities made WalletHub’s list: Missoula at a surprisingly strong #39 and Billings at #149. However, there are still towns here in Big Sky Country that are affordable to the average person. Gallery Credit: Derek WolfNew To Montana? Here's 6 Things You Shouldn't Do If you're new to Montana or considering moving here, we have a list of things that you shouldn't do when living in Big Sky Country.