AdamMH I used to do those type of repairs, fixed a refrigerator I got for Pennie’s on the dollar because switch for the ice disposal wouldn’t turn off, so it shot ice everywhere until it ran out. Pulled it apart, found the micro switch, looked it up, $49 from the refrigerator manufacturer, 2 weeks to get it.. called a local hobby shop, asked if they had this switch (manufacturer and part no.) sure enough they had it, paid FULL retail, $2.27 out the door.
Got a $4000 GE Cafe stove for $100 from a neighbor because they had it for 2 years and one of the (gas)burners went out, so they replaced the stove. I knew from previous experience it was pretty damn likely being the shitty design of the burner covers that it was just a clogged burner ring. Brought it home, soaked all the components and cleaned them, boom, brand new stove.
You are dead on , the days of repairs are gone, at this point, most of the time I just buy something new because the hassle of the repair process isn’t worth it. If I get the right type of return/saving from it, I’ll do it; problem being, most new things have such specialized parts, it’s not worth chasing them down, paying 10x what they are worth and then investing the time.