You're dealing with an unwelcome guest - your neighbor's cat! Don't worry, I've got some harmless, cruelty-free, and odor-free ways to keep them out of your home: 1. **Physical barriers**: Install mesh fencing or screens around your yard or garden to keep cats out. You can also install protective mesh on doors and windows to keep them out of your home. 2. **Motion-activated spray devices**: Install motion-activated spray devices that release an unpleasant noise or spray when they detect a cat approaching. These devices are effective at repelling cats without doing any harm. 3. **Ultrasonic repellents**: Use ultrasonic repellents, which emit high-frequency tones that humans can't hear but are unpleasant to cats. These devices can be placed around your yard or home to repel cats. 4. **Sticky tape**: Put sticky tape, such as double-sided tape or tacky tape, around doors and windows. Cats don't like the feeling of being stuck to a surface, which will deter them from trying to get in. 5. **Odor repellents**: Use citrus essential oils (such as lemon, lime, or grapefruit), or peppermint, vinegar, or cayenne pepper spray. Soak several layers of paper towels in the scent of your choice and place them in the area near the entry point. Cats don't like these smells and will avoid them. 6. ** ++; 7. **Cat Repellent Plants**: Plant plants that cats don't like, such as lavender, rosemary, or sage, in your yard or around your home. The smell of these plants can repel cats. 8. **Cat Repellent Spray**: Mix water, dish soap, and citronella or lemongrass essential oil to make a cat repellent spray. Spray this mixture around the area to deter cats from entering. 9. **LED Lights**: Install motion-activated LED lights to reduce nighttime visits. Cats don't like bright lights and may avoid the area. 10. **Talk to Your Neighbors**: If the cat still insists on visiting, you may need to talk to your neighbors and politely ask them to keep the cat at their home, or work together to discuss solutions. Remember, patience and persistence are crucial to deterring neighbor cats from coming to your home with these methods. By doing so, you can maintain friendly relations while protecting your home.