[Imbroke101]

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[mothered]

or something around 300g+ to match the packaging the headphones come in

^ This.

how would I find out how much the box weighs as I can’t find this information anywhere?

Purchase It on a different account, weigh It, and return It.

[Imbroke101]

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[mothered]

So I’ve just got the headphones from another retailer and weighed the entire box and contents so now should I go on Amazon on a different account and keep buying and returning things that match the exact weight of the headphones + box?

Use the other/secondary account to purchase the wrong Item.

[Imbroke101]

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[mothered]

Yes and how many grams can the wrong item be off the exact weight

To play It safe, no greater than a 40-50 gram variance In weight.

and also when I eventually do find the right item, do I buy both of them at the same time?

Preferably.

[Imbroke101]

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[mothered]

I don’t have anyone who can order my the wrong item so, How would I go about making a new account without linking any of my credentials

It's way beyond the scope of this post to go through every detail.

as I can’t  use a fake name as I’d need id when picking up the parcel from somewhere other than my actual address

Use a drop.

and the other issue is that a virtual card such as a Revolut card would require an address?

Check out this.

All virtual prepaid cards support AVS (Address Verification Service) and can be registered under any name and address in USA or Canada. No verification is needed during Ezzocard card registration, neither ID nor any other documents are required.

Do note that I haven't personally used It.