> every time you use it it fries its own cheap water based glue, and the thing falls apart every 6 months.
Which brand has this happened to for you? I've never seen this, but I've only ever had a supermarket own brand which will just be Midea and a Panasonic.
> but what matters is not all money
Then buy a commercial one which last longer and cost more.
1. This was an illustration of how to make an exceptionally cheap microwave that will work a bit before it fries. I don't often buy microwaves (I'm lucky and have an old one), I'm sure you could find something in China like this, though.
2. Not reasonable for most people. Yeah, sure buy everything at $$$$, just sacrifice a life/kids/house. Good luck not going into life-long debt/slavery at 40k$ a year.