Currently, freelancing is a full-time job for me. But now, I think doing online work full-time is not a great idea. We feel excited when we start online work, but it has made me realize that I'm not a social person anymore.
The digital world has already disconnected us from the real world in many ways. That's why I'm thinking of starting something else to save myself from the burnout of sitting in front of my laptop/mobile screen most of the time. It's an unhealthy lifestyle.
Working online full time at home can burn you out definitely. This is why you have to make sure to take a break when it gets too much. This is something that I do as well even when I'm not working online on full time basis. We all need another life out of work even if we are working online. So, you should try as much as possible to do something about this.