I used to have like 90 items saved in my shopping cart. When I opened my cart, it would say what items have increased and decreased in price. I've started compiling a wishlist- will it give me those same updates?
Thanks!

Nope, but you can keep things in your cart as well as your wish list.

What he said. The purpose of a wishlist is so that other people can see what you want. If it's just for your own use, stick with the "Save for Later" portion of the shopping cart.

If you are worried about people seeing certain itmes in your list, you can set some lists to public, and some to private.