Homeowner Tips
The 5 Reasons DIY Pest Control Usually Fails
Published 9/29/2025 · 5 min read
Store products cost less on paper, but the total cost of DIY is almost always higher.
1. Wrong product for the pest
Contact spray on carpenter ants pushes them deeper. Repellent spray on cockroaches scatters them. Choosing the right chemistry is half the job.
2. Wrong placement
Bait behind an appliance is more effective than 50 sprays around the counter. Placement drives efficacy.
3. No exclusion
Killing what's inside doesn't stop what's outside from coming in. Exclusion is what makes treatment permanent.
4. No follow-up
Roaches, bed bugs, and ants all take 2–4 visits. One-and-done treatments miss the second generation.
5. Safety missteps
Over-application, wrong PPE, and mixing incompatible products cause the majority of home pesticide incidents in the state each year.