The answer to 'natural pest repellent' is to use a variety of natural, DIY methods to deter pests from your home and yard. Some effective natural pest repellents include essential oils, herbs, diatomaceous earth, and vinegar. These options are generally safe for humans and pets, and can be an effective alternative to chemical pesticides.
When using natural pest repellents, be sure to apply them regularly, especially after rain or watering, to maintain their effectiveness. You may need to experiment to find the right combination of repellents that work best for your specific pest problems. If natural methods are not effective, or the infestation is severe, it's best to consult a professional pest control technician.