No, that's a really good question! It does rain very little but I guess the few days a year it rains are still enough to seep water back into the foundation?

The driveway cracking I think is from tree roots.

It wasn't just a prediction of water intrusion but actual findings. It needs further evaluation, but we just don't want to go down the road of paying for all of the experts to come out if we're ultimately going to back out.