Automate repetative tasks that you do manually.
Do you take backups manually? Automate it.
Do you get lots of same support requests? Put an auto reply along with top 10 asked questions & answers.
Do you do manual version control? Put an automatic version controller on.
Do you have a manual book keeping? Automate it with use of credit cards & bank account (possible for sole proprietorship)
Do you manually test for bugs? Use automatic unit testing.
What tasks are there you keep manually repeating? Where would you get the biggest benefits from automation? Try to make them automatic and you’ll free up lots of time for more useful purposes.