You are an independent business owner. You wear many hats. You do many jobs. It is the nature of the beast. Let me ask you one question...
What is your least favorite job?
What is the one hat that you dread wearing the most? What is that task or duty that you fear, that you would rather put off, that you just wish it would go away?
Let me ask you another question...
What would you do with the time you have left over if you didn't have to do that job?
Everything can be hired out. There is someone capable of doing whatever it is that you don't want to do. For a price, of course. But, there is someone. The only question you really have to answer is whether the time you have left over can be productive enough to afford the person you hire.
Just remember when you calculate the "afford" part you include your lack of stress, your better sleep, and your peace of mind. Sometimes that is worth far more than the salary.
Give up the one job you hate the most and you will find you have more time and energy to do the things you love.
PS Yes, that even includes the hat of hiring and firing. Many successful business owners hire a manager to run the day-to-day operations and they spend their time marketing, buying and paying the bills. Yes, that includes paying the bills. Other business owners want to run the day-to-day operations and hire an office manager or AR/AP person to handle all the invoices and bills. Yes, that includes a tech person, a warehouse/receiving clerk, a gopher, an event coordinator, or a marketing/advertising coordinator. Owning and running a small business is supposed to be fun. Do the fun stuff and hire someone else to do the stuff you hate.