[cfn]

When he dies, if not before, he or his family can sell the business. There's even websites/communities where you can post this kind of business for sale.

[chgs]

The software will still work for years even if his who family is wiped out in a plane crash.

A saas product will die when the credit card bounces a couple of months later.

[hermitcrab]

>even if his who[le] family is wiped out in a plane crash.

Thanks for that cheery thought.