Classic books on scaling your business
There are a pair of authors with successful books with many revisions and re-issues since 1980's. These have been published in many languages around the world.
Gerber, Michael E.;
The E Myth,
Moore, Geoffrey A.;
Crossing the Chasm,
Look for other titles from these authors.
They are written very concisely from what I recall.
Essential guidance: think like a franchise, even if you only ever intend to have one location. By creating a "runbook" (or "playbook" as some call it), you can have employees operate the business for you.
This also potentially addresses the question: "How do you make money while you are sleeping?" (or on vacation)
Shifting your thinking into those terms have helped many scale their business from a mama & papa shop to sustainable operations funding their own retirement.