There is a jumping off point when you may very well have to take a leap of faith to move your business to the next level. That point is missed by many--some on purpose and others by not paying close enough attention. When the decision is finally made to bring someone else on board to help get more work done, or better work done, that is a day of celebration. Though up to the point of jumping off, there may be anxiety and concerns, once the decision is made, there is usually a relief that is so satisfying and rewarding.
The good news will be that you can now move forward. Up to this point, it has been like treading water. You know the feeling well. You're doing so much work, sometimes even wondering if it is worth it, and though you work harder and longer, it just doesn't seem to be rewarding you for your efforts and determination.
Then you think you need some help, and the first thought after that is probably, "but I can't afford it." Maybe you're barely making it yourself, but one thing is for sure, treading water, staying in the same place while expending more time and energy is not the answer. As Yoda say, "do or do not. There is no try."
So, you finally decide to take the leap and you've reached the jumping off point. Now, you can grow. You must find a way to duplicate and replicate yourself as much as possible so you can focus on working on your business rather than in your business. The only way this happens is in letting go of the reins a bit and letting someone else help while you get some well-deserved rest and refocus.
I've been there and totally understand the feeling. One thing I've learned very well is that jumping off and making it happen is the best solution. And it's amazing how fast that money is remade and then some.
Take a deep breath. Breathe out slowly and make your move. You'll love it.