Rod Speed put finger to keyboard:

www.GymRatZ.co.uk wrote
dennis@home wrote
Stephen wrote

7. Anything I have missed out with my thinking?

Keep your job,

Not such a bad idea.
Keep the day job and offer services Sat. , Sunday and evenings.

Unlikely to appeal to someone who wants to work 9-5 and to have 6 weeks
holiday a year.

Not as a permanent situation, no. But ideal for dipping a toe in the
figurative water.