As a business owner, you are probably focused on building your business. Every spare penny goes into making it grow so that some day you will be able to sell it and retire in comfort.That is how most people do it and I get the thinking behind that.
I think it is better to do it the other way around. Start with deciding when you want to retire, how you want to live and who will take over. Do it in that order, not the other way around. This article explains the steps: