Of course, you can take advange of the following option, if it is still available in the future. Start collecting any time after 62 with the intent of giving back all your past payments for let's say, 3 years (needed to ammend your IRS returns) if you have the cash. You can then restart the clock to begin collecting the higher monthly payments 3 years later, if you feel confident that the gubment will continue to honor its promises.