[These aren't real questions that avid readers have sent in, yearning for my sage advice. I'm just paraphrasing some discussions I've had about money with family, friends, and co-workers]
I just changed jobs. Should I leave my 401(k) with my old employer, or roll it over to my new employer's 401(k) plan?
You shouldn't do either. You should rollover your old 401(k) into an IRA with low-cost mutual funds, like Vanguard. There are 2 main problems with 401(k) accounts in general: