Benefits of Using the TSP Rule of 55 The biggest benefit of the TSP Rule of 55 is early, penalty-free access to your retirement funds. This can make a huge difference for those wanting to retire before the traditional age of 59½. By avoiding the 10% early withdrawal penalty, you keep more of your savings. It also offers flexibility to tap into your TSP account without having to worr... https://www.federalpensionadvisors.com/post/tsp-rule-of-55