Age-. The general rule in the industry is that once an A/C unit reaches 10-15 years, the idea of replacing the unit is usually a much better investment than putting money into an older system. If your system is at this threshold, it's usually wise to begin expecting, not wondering, when the system will fail.
You can keep the money in the TSP after you leave your federal job to benefit from the low fees, or you can roll over the money into an IRA or a new employer's 401(k), 403(b) or 457.
-Once rolled over to a Roth IRA, the funds can only roll into another Roth IRA account or out. If you will continue in Reserve status or federal service you can continue to participate in TSP. There is also a Roth TSP option since 20...