Maintain Cleanliness
Food Storage: Keep food items sealed and store them properly to prevent attracting flies.
Waste Management: Regularly dispose of garbage and ensure trash bins are tightly closed.
Surface Cleaning: Wipe down countertops and dining areas to remove food residues that may attract flies.
Use Natural Repellents
Essential Oils: Oils such as eucalyptus, lavender, and lemongrass have been found to repel flies. Mix a few drops with water and spray around entry points and common areas.
Herbs: Planting herbs like basil, mint, and rosemary near windows and doors can deter flies due to their strong scents.
Install Physical Barriers
Screens: Ensure windows and doors are fitted with screens to prevent flies from entering while allowing ventilation.
Seal Cracks: Inspect and seal any cracks or gaps in walls, windows, and doors to eliminate potential entry points.
Employ Fly Traps
DIY Traps: Create traps using a mixture of apple cider vinegar and dish soap in a container. The scent attracts flies, and the soap reduces surface tension, causing them to drown.
Commercial Traps: Utilize commercially available fly traps or sticky tapes in areas with high fly activity.
Conclusion

While the glass of water trick is a popular anecdotal remedy, it lacks scientific backing and may not effectively repel flies. Implementing proven methods such as maintaining cleanliness, using natural repellents, installing physical barriers, and employing fly traps can more reliably reduce fly infestations in your home. By adopting these strategies, you can create a more hygienic and comfortable living environment.