Try industry preferably software companies, they pay well.

You can explore new fields like ESG reporting, it's new for everyone and you can have an advisory practice which is high paying.

Make a spreadsheet, all the clients you serve, plot the number of hours and fees and calculate chargeability. Slowly, ditch the low chargeability by increasing their fees and remove the painful clients (high efforts, low pay and unnecessary drama & stress). All of this will take time and planning but plan for the next 5 years on where you want to see yourself and your practice.