Mix with honey
Many families have used a mixture of soap and honey, this is an effective home fly treatment used by many families with many flies. Because honey has a special scent that attracts flies and soap will make them stick and can't get out. The steps to make this fly repellent are very simple: Mix soap with water in a large bowl, Then mix with a little honey.
This is a very good way to kill flies in the house that you can take advantage of. Besides, you can use chili powder with soap to repel flies very effectively. Mix together soup, chili powder, and a little honey and put it in a spray bottle. Then, spray this solution in places where flies often hang out. The chili powder has a pungent smell and the honey will keep flies away from your house. It should be noted that chili powder can be dangerous to small children and pets.