How I get rid of rodent holes for free, forever, with barely any effort. If you don't want rattlesnakes on the property, you need to control food, shelter, and access. That can be a challenge with the varieity of rodents living nearby. But, there's a lot you can do to permanently remove rodent burrow networks WITHOUT paying for it, using traps, or poison. Here's what I do at my own property to keep rodents and rattlesnakes away from my office.