When leaving Malaysia for United States, is it necessary to pay customs agents for luggage for travel in Malaysian airport? Also is it necessary to show customs agent travel money?
There are no duty fees applied to checked baggage when departing Malaysia, assuming you are not exporting large amounts of commercial items, alcohol, tobacco, etc. The only baggage fees would be those that the airline might impose.
You do not need to prove financial ability when departing Malaysia, the only country that would be concerned about your ability to support yourself while traveling would be the USA when you arrive.