It is hard to tell if this is a serious or sarcastic response.

If you think Muni Bonds will stay at 6% for a lifetime, you're misinformed. 1) Government owned consumer debt is up nearly 5x in 5 years 2) Lately Muni Bonds have been swinging more than stocks themselves 3) Take Pimco Municipal Income Fund (NYSE: PMF) as an example. It's price has appreciated 7% over 10 years, TOTAL. Even with dividends you're looking at best 3% and at that point you've successfully managed to do nothing more than keep up with inflation.