It's not okay to take advantage of tourists.
Hector drives a taxi in Costa Rica and sees a foreign family come into the bus station.
Hector wants to make some money off of the foreign family.
Hector offers to drive the tourists and gives them a group rate.
Hector offers to drive the tourists for a price, neglecting to tell them that the price is only per person and not for the group.
The tourists accept the group rate and thank Hector for his openness.
The tourists have to pay several times more than what they thought and are very angry at Hector.