The Best Resources for Making Free Online Wish Lists
Tutorial: how to add Amazon wishlist to MFC profile
How do I share my wishlist with someone? :: Help and Tips
How to Share Your Amazon Wish List on PC or Mac: 6 Steps
This will let you log in with your email and password.
This button looks like a small envelope icon in the upper-right corner of your wish list.
Also, they will not have an idea of the item you eventually purchased until it arrives.