Question id 459 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

not pay less than the pro rata share of the operating expenses of a flight with passengers provided the expenses involve only fuel, oil, airport expeditures, or rental fees.
act as pilot in command of an aircraft carrying a passenger for compensation if the flight is in connection with a business or employment.
not be paid in any manner for the operating expenses of a flight

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane