Saving 10% of income is better than not saving any money at all? That's what a lot of people say. But, is it wise to save only 10% of our income? Saving 10% only means spending 90% of our income. If you earn $1000 and can only save $100, it is still acceptable as you may not have much money to spend. But if you earn $5000 and only save $500, it is a whole different story. Saving 10% of our income takes us 51 years before we can retire. Even if you start saving since the day you start working, you still can't retire in your 70s. Many people may say they want to double their income so they can have a better lifestyle and don't have to sacrifice too much to save money. The scary part about increasing your income to increase expenses is that it has a ......