The answer to 'why do I have pest' is that pests can infest your home for a variety of reasons, such as food sources, shelter, or entry points. Common signs of a pest problem include seeing the pests themselves, finding droppings or nests, and noticing damage to your home or belongings. Solutions may involve sealing entry points, removing food sources, and using targeted pest control methods.
If the pest problem is minor, you may be able to handle it yourself with DIY methods. However, for larger infestations or difficult-to-treat pests, it's best to call in a professional pest control technician. They have the expertise and equipment to effectively eliminate the pests and prevent future problems.