Where Weidian links go wrong
Most problems are not scams. They are ordinary decay: shops close, listings outlive their stock, and prices move between the day a link was saved and the day somebody pays.
Six things that go wrong, in rough order of frequency
Only the last two are avoidable by being careful with the link itself. The first three are the normal behaviour of a platform where each seller runs their own shop with no central stock system behind it.
Price movedThe seller edited it after the link was saved. Common and usually small.Out of stock, listing still upNothing forces a seller to take a listing down. Your agent finds out at purchase.Option goneThe colour you wanted is no longer in the list, though the listing remains.Shop closedThe whole address stops resolving. Nothing to recover; find the item elsewhere.Wrong link entirelyAn admin or search address instead of a product. Ask the person who sent it.Restricted categoryLiquids, powders and batteries are refused by some lines regardless of the seller.
the link answers this someone has to tell you nothing here can answer it
A saved link is a photograph, not a reservation
This is the single most useful idea on this page. When you save a link you have recorded what the listing looked like at that moment. You have not held anything, reserved anything or agreed a price.
Spreadsheets make this easy to forget, because a well kept catalogue looks like a shop with stock behind it. It is not. Each card is a photograph of someone else's listing, taken on whatever day they added it.
The practical consequence: the longer a link has been sitting in your list, the more likely it is that something on the other end has changed. Links you collected this week are worth more than links you collected in spring.
Restricted categories are a route problem, not a seller problem
Perfume, nail polish, lighters, power banks and anything with a lithium battery are refused or surcharged by most air routes. The seller will sell them to you quite happily, and your agent will buy them, and then the parcel cannot leave.
Check this before ordering rather than after, because once the item is in a warehouse abroad your options are to pay for a slower route that accepts it, abandon it, or pay storage while you decide.
Questions people ask after something has already gone wrong
The price is higher than the spreadsheet said. Who is wrong?
Neither. The catalogue recorded the price on the day the entry was made and the seller has changed it since. Agents charge what the seller charges on the day they buy, so the newer number is the real one.
My agent says the item is out of stock but the page still shows it.
That is the normal state of affairs. The listing page is maintained by the seller and nothing removes it automatically. Your agent has asked and been told no.
Can I just send the shop link and let the agent pick?
You can, but you have moved the decision to somebody who cannot see what you wanted. Shop links are fine for browsing and poor for ordering. Send the item.
The seller stopped replying. Is that a scam?
Usually not. Small shops go quiet for holidays and for personal reasons. It becomes your problem only if money has already been sent, which is an argument for asking your question before payment rather than after.