The answer to 'why is my ant invasion' is that ants have likely infested your home in search of food, water, or shelter. Ants are attracted to crumbs, spills, pet food, and moisture, and they can enter through the smallest cracks and crevices. Common signs of an ant problem include seeing ants in your kitchen, bathroom, or other areas, as well as finding ant trails or piles of dirt.
To resolve an ant invasion, you can try DIY methods like sealing entry points, removing food sources, and using ant baits or sprays. However, if the infestation is severe or persists, it's best to call a professional pest control technician who can identify the ant species and implement a comprehensive treatment plan to eliminate the colony.