If it's work you'd enjoy doing, why not? If it's more for the money, you'll have to decide if the "sh*# to pay ratio" is acceptable, as a former boss used to phrase it...
No one agrees with other people's opinions; they merely agree with their own opinions -- expressed by somebody else. Sydney Tremayne
Retired Jun 2011 at age 57
Target AA: 60% equity funds / 35% bond funds / 5% cash
Target WR: Approx 2.5% Approx 20% SI (secure income, SS only)