That is true - but the few hours I'd have to invest in this are better spent doing something else (or nothing at all, which is valuable). And I don't need to d

That is true - but the few hours I'd have to invest in this are better spent doing something else (or nothing at all, which is valuable). And I don't need to do these repairs and maintenance at a frequency which would make learnings 'stick'. Furthermore, I am afraid (or 'excessively cautious') of electricity, although that might stem from ignorance In contrast, I've learned to be my own accountant, of sorts, because I have to deal with it frequently enough, and have never heard of a person dying or becoming gravely injured from dealing with a spreadsheet in error