All the points you make is why I own Sthil saws. These Chinese copies aren't for everyone but they aren't complete junk either.
Its been a couple years since I talked to my buddy about his saws but from my memory it sound like you had about the same experience as he did with them. I know one...
I have a friend that bought a couple of those farmertec saws. I've never used them personally but I trust what he says about 2 stroke equipment. I don't remember his exact issues with them but his opinion was as long as you have the knowledge and are willing to tear it down, inspect everything...
Blackhawk wrenches are made in USA and have smooth jaws.
https://www.protoindustrial.com/en/industrial-tools/BlackhawkByProto/Wrenches/Combination-Wrenches/9e0b21f2-890c-4bc2-a50b-bedd149e147e_Blackhawk%e2%84%a2-by-Proto%c2%ae-Full-Polish-Combination-Wrench---Inch/
About a year ago I upgraded my m12 light to led. I went down a different path than most would probably think. I took out the factory head and put in a 10w work light. I got the idea from my boss at the time who did the same thing with a m18 flashlight and a larger light. The light output is...