Originally Posted by
Illustris
1. Balloons, similar to Giants, target Defenses first
This is an important starting point as to how to view balloons. Goblins target resources first. Giants target defenses first.
But, many beginner ball'rs assume that balloons target anything, as archers or barbarians do. If you deploy only balloons slowly as an example, there is a high chance that you will destroy every single defensive building and unit, and then only barely get to the resources.
See strategy implications below, but it is recommended to "pair" another troop with balloons to ensure loot raiding so as to avoid the dreaded timer failure (where you have destroyed all defenses and those majestic balloons are only just turning to the resource tanks).