Uhhh, heard of EU Chat Control?

Tire and brake dust causes autism? This explains mechanics.

HVAC, and every other trade, is only really good money if you own the business doing it. Just theres no big HVAC monopoly so you can actually dream of doing that.

Had warranty work done on an HVAC system that blew up shortly after installation which covered parts, but not labor (what a ripoff, by the way). Paid about $1400 for about 3 hours of work by one guy. Asked him what he got paid, about $20-25 same as everyone else who gets their hands dirty without a degree or hazard pay.