Start a hosting company

I understand what you are saying, but I'm either making enough money to hire someone, or it's not worth the mental health issues that arise from staying up all hours.

Your customer suffer either way!

I have never needed a lot of sleep, so staying up never bothers me. i also had a very extensive knowledgebase which clients used if i was not around.
 
When your client becomes top 1 priority, I think that is the best strategy and way over the long run and earlier or later this approach to business will benefit you.
 
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