If you go by the advice that you need to divvy up your income by the 50/30/20 budgeting rule, you need to earn quite a bit to live comfortably in Denver, when compared with other major U.S. cities.
The rule is that you spend 50% of your income on necessities, 30% on fun and 20% on savings, but that may not be feasible, depending on where you live. A recent report by GOBankingRates ranks 50 major cities in the U.S. by how much money you need to earn to live comfortably, based on each city's cost…