A split income strategy is built by diversifying your assets over time. This can be done with your TSP.
In 2010, there is no income limitation that affects your ability to convert a Traditional IRA to a Roth IRA. This doesn’t mean that you should rush right out and do a conversion. Here are some important factors to consider in order to determine whether a conversion makes sense for you.
In the past, many CSRS employees have been excluded from contributing to a Roth due to their income level. Here is information about a program that provides a way for CSRS and CSRS-Offset employees to get large sums into a Roth IRA.
As a federal employee, you cannot invest in a Roth IRA within the Thrift Savings Plan. But you may still have the option of using a Roth IRA to invest in your retirement future.