Say yes to fix your friends when you become one
Learn to say no
Don’t do it
Do not work in dealer garage
Don’t the pay system is corrupt
Nick tools don’t pay
Don't
Don’t buy that snap on box
I would tell myself to stop getting frustrated that I don't know or can't figure it out and to not take it personal
Be patient
don't become a mechanic
Dont
learn to work with a multimeter as fast as possible