After you link all your accounts, use their Retirement Planning calculator. It pulls your real data to give you as pure an estimation of your financial future as possible using Monte Carlo simulation algorithms. Definitely run your numbers to see how you’re doing. I’ve been using Empower ...
If you enjoy the work and have developed the expertise, you very likely will do at least as well as stock index funds. But then, the funds take none of your time. It is a very personal call.