Unless you are extremely fortunate, you have probably felt the squeeze over the past decade as the world economy recovered from the global financial crisis. Most of us still feel the consequences because the current wage growth is nowhere near the rate of inflation. In the UK, the Institute for Fiscal Studies has recently warned that by 2022, average earnings will be no better than it was in 2007. That would be 15 years without a pay rise. With the widening gap between earnings and the cost of living from paycheck to paycheck, many people are looking for ways to increase their income. It makes sense, but if you don’t…