It is recommended to arrange to have tip money in small denominations and separate from your other money. This will help to distribute the money to all who have helped. The first person to depart the terminal should be the person who has the luggage tickets on their airline ticket. That person will be asked for the luggage tickets. Customs Issues Anything in boxes and tubs will likely be stopped and subject to the customs inspection.
Luggage generally goes through fine.
If you must declare items at customs, it is best to have an inventory list with values and identified by container, ex. 1 of 10 pieces of luggage. If you bring medications, list all medications with their expiration dates which must be at least 6-9 months into the future. Ask for your host to be brought in to assist you. Remove all old airline luggage tags.