Tohru is incredibly easy to amaze. Just mention of those things is enough for her to be awestruck.

"This house really has all of those things? That's incredible! It's...it's luxurious!"

Even the Sohmas, who she knows have a lot of money, don't have things like pools indoors or big libraries. It's a level of wealth she can't even begin to comprehend, even though she knows nothing costs anything in Wonderland.