Buy/sell Agreements depend on many factors, including the value of the business (which is likely to change over time and hence may require changes to the insured value as this fluctuates), the number of owners and the percentage of the business they own.
There are capital gains tax issues to also consider on the effective disposal of the share in the business.
One consideration might be that the shares are transferred at the original value. This can be a highly complex area.
Please remember that we have only shown you one example. Every business is different.
For those who are in business, you are encouraged to speak with your Professional Adviser(s) in regards to protecting your interest in your business for both yourself and your family.