Wishmindr may recieve a sales commission from some websites/stores if a link is clicked on Wishmindr to that website/store, and someone makes a purchase. This is called an Affiliate relationship and allows Wishmindr to remain free for users.
These affiliate relationships are only with some (not all) stores and only apply to some (not all) purchases.
Price information on wish lists is input/reviewed by the wish list owner when they add an item to their wish list and the price on Wishmindr may become out of sync with the price on the website selling the item. Price information on Wishmindr is used as an aid for sorting items on a wish list but can't be guaranteed accurate at all times since prices it can change on the site selling the item.
You can always find the accurate price on the website selling the item by following the link.