The answer to 'my move-out cleaning is filthy' is that there are several common causes that can lead to a very dirty move-out cleaning, including lack of regular cleaning, buildup of grime and dust, and improper cleaning techniques. Symptoms may include visible dirt and stains, unpleasant odors, and surfaces that feel grimy to the touch.
To address a filthy move-out cleaning, you can try a thorough DIY cleaning approach, but for heavily soiled areas or difficult-to-clean surfaces, it's often best to call in a professional cleaning service. They have the right tools, products, and expertise to get your place sparkling clean before you move out.