Ordering Grab Food for lunch every working days, tips from 30 to 50 baht by apps depends on the distance of travel.
Just to appreciate their effort and hope can make their day, never expecting anything in return.
Aircon service man will always come next day after I called when my aircon leaked.
Service fee 600 baht but I always give 1,000 baht.
Worth it, he solved my problem as I expected/needed.