Know when to hold them and when to fold them in business.

Top 10 reasons for sale:

1. Retirement

2. Health

3. No successor

4. Burnout

5. Cash crisis

6. Other interests

7. Have more than one job

8. Not skilled for the job

9. Divorce

10. Partnership ended

    Of course, one can hope that one's life work outlives them and passes to the next generation - but sometimes, life happens.