A task that has you dealing with a 'pitiful' skeleton, customer, or person's buried treasure will be easy. You can tell at a glance how difficult the Voyages are by the terminology used. Later, as your reputation increases, you will be able to buy promotions to take on harder missions - which may also incur more fees for better rewards. Early on, you can purchase a Voyage from the three Trading Companies for free to begin your service to their cause.