In terms of the market for consulting in general, it is crowded and likely to become more crowded as Americans reach retirement age and the trend toward self-employment continues. It’s “only going to increase in frequency as growing numbers of boomers realize that retirement is not what they thought it was going to be and they’re either unprepared emotionally to leave the workplace or unprepared financially to support their lifestyle in retirement,” says John P. Delmatoff, a business coach...