Is there a site with prices for things in Amsterdam?

There are several sites with a lot of price information for tourists. I like this one: http://www.amsterdam.info/

Others will always recommend:

http://www.iamsterdam.com/nl/visiting

If you want information on 'non touristy' things, like houses, supermarket shopping or electronics, just enter one of the things you are looking for into your search bar, add Amsterdam and hit search.

If you add to this question what kind of prices you are looking for we can help you finding those places.

That would depend on what those things are but yes, there's a lot of price information

Of course.

However, what things?

I could give you a pricelist for real estate agent fees if you`d like :)