Common sense , 13/1 screw driver , multimeter , adjustable wrench , and a pair of slip joint pliers,
And to be honest your question can have various answers depending on your properties most common work order requests, my property may have a lot of sink drips or clogged disposals, whereas your property may have more heat calls
Oh that’s the Purchase order book for sure these past couple years I actually said to one today, “I can call a contractor for everything why bother hiring a middleman if we farm it all out?”