How Do You Keep Your Profit Margin So High?

I mean, that's like roughly a 90% profit margin, which is ridiculous. How do you keep your margin so high? I mean, there was a time four or five years ago where I had 13 people on my team and our profit margins were like 40 to 50 to 60%. And we just now have like the core things that are really working for us. We have three full time virtual assistants. It's myself and Kate. So there's a total of five of us, but myself, Kate, and then three virtual assistants and an independent contractor,. If we need some web website work, an independent contractor if you need some graphic design.