Failure modes
Mistakes to avoid on your first CSSBuy order
These are not hypothetical. Each one follows directly from how the process is built, and most cost money rather than just time. The first two account for the majority of bad first experiences.
1. Budgeting for one payment when there are two
You pay for the goods and their Chinese domestic postage at checkout. International shipping is charged separately, later, once you decide what to send and how. People who budget only for the first number find the second one unpleasant, especially on heavy or bulky items where freight can rival the price of the goods.
Before you buy, put your rough basket through the official calculator for your country. Not to get an exact figure, but to find out whether the freight is going to be a rounding error or half the total.
2. Shipping each item on its own
The warehouse exists so you do not have to. Every separate parcel pays its own first weight charge, which is the expensive part of any shipping table. Three items in three boxes can cost substantially more than the same three items in one.
The 90 day free storage window is what makes waiting practical. Buy over several weeks, let everything land, then send one box.
The counterweight: do not let the clock run out. Free storage is 90 days from the In Warehouse status, extendable per order for a monthly fee, and an order that passes it with nothing shipped and no extension is treated as abandoned.
Six more, in the order they tend to happen
3. Trusting a size letter
Chinese sizing is not standardised and does not map onto European or American charts. Take the centimetres from the measurement table and compare them against a garment you own. Nothing else is reliable.
4. Buying restricted goods without checking the line
Batteries and liquids are restricted on most air routes. Buy first and you may find your shipping options reduced to one expensive line, or to none for your destination. Check the route before you pay for the goods.
5. Letting the inspection photos sit
The return window is seven days from arrival at the warehouse, and it needs the seller to accept returns and you to pay the postage. Photos that sit unopened for two weeks are photos of an item you now own regardless.
6. Ignoring volumetric weight
Carriers bill on whichever is greater, actual weight or volume. A coat, a duvet or an intact shoe box gets charged for the air it contains. Removing packaging at the packing step is offered for exactly this reason.
7. Missing the minimum order quantity
Most 1688 listings carry a supplier set minimum. It is stated on the page, in a place that is easy to scroll past, and discovering it after payment means you have bought ten of something.
8. Opening a new ticket for an existing order
Attach the note to the order instead. The thread carries the item, the photos and the history. A fresh ticket starts from nothing and someone has to reconstruct the context before anything can happen.
And one thing that is not a mistake
A parcel sitting still in tracking for several days is normal. International freight has long silent stretches, particularly around customs clearance and carrier handover. It is not evidence that anything has gone wrong.
CSSBuy states plainly that it cannot control delays, confiscation, duties, damage or loss once a parcel is with a third party carrier or with customs. That is an accurate description of the industry rather than a way of avoiding responsibility. No agent controls a customs queue.
The time to worry is when tracking has not updated for substantially longer than the quoted transit time for that line. Then raise it through the parcel's own note thread, where the history is already attached.
Everything else lives in the help centre
Specific questions about buying, shipping and fees are answered there, sorted by what you are actually asking.