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.
How to Apply. How To Apply. Thrift Savings Plan (TSP) Comparable to the best private-sector 401(k)-type plans, you can save up to 11% of your salary before taxes towards your retirement. This program features: An IRS match up to 4%. No income tax is payable until retirement.