Looking at the numbers, it appears that the economy is recovering nicely from the Great Recession. Unemployment is at 5 percent and the GDP is up, but that doesn't necessarily mean all is peachy-keen in America's job market. In fact, PayScale's Real Wage Index indicates that, despite the decreased unemployment rate, wages have actually fallen 6.5 percent since 2006 (when inflation is factored in). This reality has forced many professionals (employed and unemployed) to turn to flexible side gigs to make some extra cash. However, as it turns out, this "gig economy" could be more detrimental than beneficial to workers. Here's why.