When Adding external protrusion to a wing ( such as fuel pods water tanks and missile's) would be useful but what could one drawback be?

Adding external protrusions like fuel pods, water tanks, or missiles to a wing can enhance payload capacity and extend range. However, a significant drawback is the increase in aerodynamic drag, which can lead to reduced fuel efficiency and compromised performance. This added drag can also affect the aircraft's maneuverability and stability, particularly at higher speeds.