As most of us already know, an equal salary can stretch much further in one place than in another. If you earn at least $75,000 per year, you earn a comfortable salary. At this income level, you are said to have reached the point where you really don’t need any more money to thrive. In each state, however, this $75,000 has to be adjusted to account for costs of living differences. A few states, however, like Minnesota, Pennsylvania, Colorado, Nevada, Florida, and Wisconsin are right around the benchmark. That is, even when adjusting for cost of living, these states will...