Vinegar can be used as insect repellent. Eucalyptus can be used to ward off mosquitoes. Even petunias can be used as natural protection from bugs. If it's cockroaches you're trying to get rid of ...

Defend your home with Wondercide Indoor Pest Control. Although the manufacturer claims it kills roaches along with repelling them, it probably won’t do a lot of damage to the little buggers ...