Yes, this is why it is expensive. The company say that they would close up every hole larger than 3/4" (they don't do mice). The people before us closed up a lot of holes in the attic. Most of the work is blocking off the bottom of the house.
What would you suggest? I certainly cannot do any of this myself and don't want more rats in the attic/house.
There is a cat that likes to hunt in our backyard. I am certainly not go to get a cat of my own. We also have possums in the backyard which I think might eat rats.
The company that I called was recommended on this site. I felt like the person that came out knew what he was talking about and they do have a warranty...
http://www.wildlife-removal.com/rat.html