After being forced to stare at this giant rodent outside the Business Insider office all week, we’ve had our fill of the scab-busting suckers. But the chance of running into the real thing in our homes this winter is greater than ever.

Greasy fur coats aside, pests like rats and squirrels love to break into our toasty warm homes as temperatures drop, according to the National Pest Management Association.

And Americans spend more than $4 billion per year just to get rid of them.