Here are a couple of things to keep in mind when considering the value of using a professional pest control vendor vs. doing pest control in house:
1. People in pest control contracts often say they don't have a pest problem - Wouldn't that indicate that your vendor is doing a great job? People often assume not having pest problems means they don't need pest services, cancel, and then wonder why after a few months or a year they are over run with pest problems. Not having a pest problem is the value of having that vendor on service for your property.
2. As with anything else, when you outsource something to a professional who specializes in that service, it's going to be done better than you could do it yourself, not being a pro in that field (provided you chose a good vendor), and it keeps you at arms length with really helps limit your liability. Doing your own plumbing or carpentry repairs is one thing, but with pest control, you are dealing with toxic substances that are highly regulated by the EPA, and by your state agencies. Yes, even when you use a vendor the property owner is ultimately responsible and often shares some liability when things go wrong, but when you're using a licensed, bonded pest company, your exposure to liability is dramatically reduced.
Pest control just isn't one of the tasks you want to do in house.
I hope that helps you. If you have any questions about pest control please reach out to me. I'm really happy to help you by providing you all the advice I can!!