Get a Side Job
Having two jobs may seem difficult to handle, but the benefits are worth it. Apart from boosting your income and saving the extra money into your retirement account, a side job can be a hobby turned into a business. Is there anything better than cashing in on something that you really like doing? I think not.
If your second job involves self-employment, you might be able to make contributions to a solo 401(k) or a Simplified Employee Pension plan. In addition, those contributions may be tax-deductible. If you like the idea, here are 8 Jobs for Retirees Who Want to Keep Working.