Land of the Bakshish
You tip everyone. And you do it in a single note. 1,5,10,20 one is for things out side your house like the man who takes your suitcase in the airport. if two people carry furniture for half an hour - something cold to drink and a 20. cable guy, 20 minutes under the table, a 5 etc. it is very common and an important part of their salary.