If you have a rat infestation in your home, you’ll need to hire a Rat Exterminator. The average infestation can take 15 hours to complete. You’ll also need a second visit to remove dead rats and traps. While many professionals include the cost of the second visit in their flat rate of $200 to $500, subsequent visits will cost anywhere from $50 to $150 each. The cost of a service will vary according to the size of your home, but in general, a small infestation may require between three to 15 hours of work.…