A few things converged in the last two days that make this a timely topic.

First, AARP Bulletin’s cover story, You Be the Boss which reports that half of all entrepreneurs are baby boomers, 7.4 million of them. Whatever your age cohort, if you are considering joining the ranks of business owner, Questions for the Self-Starter are helpful, as are the notes on franchises. Business Week’s article about Second Acts is also worth your time.

Terri Lonier, founder of Working Solo, offers Top Ten Trends for Solo Businesses in 2007. One that caught our attention, green businesses. With global warming now unequivocal, the smart money is betting on all kinds of opportunities to address the growing need to reduce one’s carbon imprint. You don’t have to be a soloist to benefit from Lonier’s insights, both practical and visionary.

Many soloists and couples in business together, start out — and sometimes remain — in a home-based office. If the idea of working out your home appeals to you, here are a few thoughts on the subject based on our nine-year experience.