I have done almost all my own electrical work for years.
The only thing I will not do is direct wiring the the
box.

But 25+ years ago my nitwit brother-in-law finished his
attic and his basement and did all the work himself.
He was a cabinet maker so some of his work was excellent.

He asked for my advice on the electrical work. I told
him to use thick guage copper wiring and metal outlet
boxes, and to have an electrician inspect it before he
put up the sheetrock. He used thin guage aluminum wiring
and plastic boxes. Fortunately he did get a permit and
an electrician to sigm off on it.

He had a rough time with the insurance company when his
house burned down because the aluminum melted. But the
permit, the electrician signing off on it, and the approval
by a county inspector saved his ass.

Never cut corners on electricity!

Dick