01Why a shop gates the cart
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02What the portal usually contains
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03Recovering access
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04What to keep outside the account
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05Frequently asked questions
Do I need an account to order?
Many storefronts allow guest checkout. Some require an account for the research-use attestation, which is legitimate but should be stated before the cart.
I cannot log in after a site redesign. What now?
Email support with your order number and the address you used. Do not create a second account, because that splits your history.
Where is my order history stored?
In the shop's platform, not with any central authority. Export invoices as you receive them; do not rely on the portal.
Is it safe to save a card to the account?
Only if the shop uses a hosted payment processor. If the card form appears on the shop's own domain, do not save it.
What if the portal disappears entirely?
Your saved invoices and the support emails become the record. This is why the three-document habit matters.