The answer to 'why is my cockroach trails' is that cockroach trails are a common sign of an infestation in your home. Cockroaches leave behind a trail of droppings, shed skins, and other debris as they move around in search of food and water. These trails can often be found in dark, damp areas like under sinks, in cabinets, or along baseboards.
Cockroach infestations can be caused by a variety of factors, such as poor sanitation, cracks or crevices in your home that provide entry points, or even bringing in infested items from outside. Seeing cockroach trails is an indication that you have an active infestation and need to take action to eliminate the problem.