Teaching skill from home - black economy or legal?

I have a skill that I would like to teach from home on a one-to-one or in groups of two. I will never be a millionaire out it.

Is there anybody out there who is doing the same at the moment and if so what is your situation on insurance, business etc.

Thanks.

Nobody on AAM is going to give you advice about operating in the black economy.

Go legal ....

And I've also heard that Revenue are proactively targetting teachers who are operating in the black economy.

Im not interested in grinds and the like but rather to teach a skill that I have mastered (although I do have a degree).

I genuinely cant get any info (where should I look) about doing it the legal way.

Im aware of crafter's insurance for €155 a year.

Is there anyone teaching a craft from home and could help me. Thanks.