You clearly have zero experience running a successful business that require experienced/knowledgeable people to run. Firing a person in that kid of business is

You clearly have zero experience running a successful business that require experienced/knowledgeable people to run. Firing a person in that kid of business is very expensive. It can take 6 months or longer to hire somebody else and get them up to speed. The actual cost is $50k or more to do this. And you might end up with a new hire that doesn’t work and then you have to do it all over again.