Home Fix
Point your phone at whatever is broken and talk to it. It watches, works out what is wrong, and walks you through fixing it yourself.
Most of what a tradie charges two hundred dollars to look at takes ten minutes and a four dollar part. You just have to know which four dollar part.
It will not help you with anything that needs a licence in Australia. Gas, wiring, and anything on a water pipe are illegal to touch yourself, and doing it can void your insurance. When it hits one of those, it tells you, and tells you why.