Retirement isn't always the leisurely period many of us expect it to be. Countless seniors struggle financially during retirement, and face loads of money-related stress. If you're in a situation where you've left your career behind and need money, you have several options for boosting your retirement income. You could, for example, get a part-time job, and use your wages to help cover the bills.But here's another idea: Instead of pushing yourself to work during a time in your life when you'd rather be taking it easy, why not use your home as a source of income?