When fitness is addressed, physical fitness has long been the first thing that comes to mind. Financial fitness may help us live a fair and stress-free life, just as we invest in our bodies to reach our goals. Indeed, keeping money in order mirrors the same aspect as keeping oneself healthy. Both entail discipline, regular maintenance, and a clear strategy for keeping the two fit and fine. Here's how you can work your way to financial fitness by adopting principles that mirror physical fitness.