Just go with Share-A-Cart, you really cant go wrong with it for this stuff. Its the most reliable tool I have used for sharing Amazon lists quickly. You just install it and it gives you a simple link to send your sister. Definitely a lifesaver when you are in a rush and dont want to deal with registries.

^ This. Also, unfortunately, Amazon lacks a native architecture to facilitate direct session sharing between users. Most browser-based solutions rely on scraping the Document Object Model (DOM) to extract Product IDs (ASINs) and quantities from session cookies. I have found that generic tools are often not as good as expected because they fail to capture specific configurations like size or color. If you need a reliable method, you should use a dedicated share Amazon shopping cart extension. Look for these features:

• Support for multi-regional Amazon domains
• Automated ASIN extraction
• One-click cart injection for the recipient Most people overlook the fact that these tools basically repackage your cart data into a temporary database entry. It's far more efficient than manual entry for a 15-item cart. Tbh, manual lists are just inefficient... they dont handle the metadata well.

To add to the point above: these extensions really are the way to go if you want to make sure she sees the exact same items. The reason that copy-pasting the URL didnt work for you is because Amazon stores your cart locally in your browser session... basically your computer knows what you want but hers doesnt. When you use one of these tools, it bundles all those specific product IDs into a special link that actually adds them to the other person's cart when they click it. I have used these for years and honestly im pretty satisfied with how they handle the heavy lifting. Usually I stick with the ones mentioned but also sometimes use this free registry site if I need something more permanent for an event. Since you are in such a rush for Saturday, just grab the extension and hit the share button. The whole process literally takes two seconds and works well every time. Just make sure you are on the actual cart page when you click the extension icon or it might get confused. No complaints on my end using that method for family stuff, it really saves a ton of time.

Huh interesting. I had no idea. The more you know I guess 🤷

Like someone mentioned, its best to just find a free tool that doesnt overcomplicate things. Most of these extensions are basically one-click deals. Just install it, hit the button while your cart is open, and it generates a simple code or link. Its much faster than making a new registry when you are in a rush. Found this extension called Cart To Link recently and its been a lifesaver for group buys with my friends.