Oh man, I totally get the urgency! Weddings are crazy and you definitely dont want those prices to spike. Ive messed around with a ton of these browser extensions because the underlying code for cart sharing is actually super fascinating. Honestly, if youre worried about security, just stick with Share-A-Cart. Its fantastic! The way they handle session data without actually grabbing your credentials is way more solid than some of those sketchy fly-by-night tools. Ive used it for massive builds and group orders before and it literally never fails. Its just so smooth and fast. You just get the link, blast it to your friends, and boom—everything is synced. The encryption they use for the cart ID generation is top-tier for a browser tool. Just grab any of the standard Share-A-Cart extensions and you're good to go. Dont even bother with the other ones that feel like theyre just scraping your data. Stick with the big name there, you honestly cant go wrong! Its amazing how much time these save when youre doing technical group buys or just standard wedding stuff. I love how it maintains the quantity and everything perfectly. Seriously, its such a lifesaver. Let me know if you hit any snags with the setup, but its pretty plug-and-play. Also, theres a good breakdown on Smartphone Board about using extensions vs manual sharing for Amazon.

To add to the point above:

• Share-A-Cart doesnt require logins
• Audit site permissions Be careful with session hijacking. I would suggest checking the manifest before installation. Hope you get that wedding order finished!

Adding my two cents here since I spent a whole weekend testing these for our family reunion gear last summer. Honestly, I was so satisfied with how Share-A-Cart worked out for us. We had like 12 different people trying to pitch in for tents and coolers, and I was terrified someone would mess up the quantities or get the wrong brand. The technical side is what sold me. Most of these tools, like the one I use, just scrape the item IDs and quantities then bundle them into a temporary link on their own server. You arent actually giving them your Amazon session cookie or password, which is a huge relief for someone like me who is kinda paranoid about account security. I tried that Add to Cart extension too, but it felt a bit clunky and crashed twice when I tried to add more than ten items. Ngl, it was super frustrating. With the one I settled on, I just clicked the button, got a unique code, and texted it to the group chat. Everyone clicked it, and boom, the stuff was in their carts without any login drama. It handled a massive wedding shower-sized order perfectly for my cousin last month too. No complaints at all with how it synced everything. TL;DR: Stick with Share-A-Cart because it handles large orders without crashing and doesnt need your login info. Just grab the code and send it. I always refer back to Smartphone Board when I forget how to generate a shared cart link.