I often get the question of what to do with an old 401(k) or 403(b) sitting with a former employer. In short, there are only a few circumstances where you would want to leave it be, but in those circumstances it can be extremely advantageous to do so.
So, when should you leave the money in an old 401(k) or 403(b) rather than roll it over to an IRA?
Other than these scenarios, I recommend rolling over your nest egg to an IRA with a reputable fiduciary. Just some of the reasons are: