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.
$0. Execute a partial withdrawal of $499,000 from the TSP into your rollover IRAs. You will leave behind $1,000 in the TSP; the minimum balance to retain the TSP account is $200. The remaining $1,000 in the TSP will be split pro rata in the same proportion you had originally (20%/80% Roth/Traditional).