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Chaos sorting card singles for eBay: setting up, refilling, and finding the card that sold

Chaos sorting means each card goes into the next open spot on the shelf, whatever card it is, and you record where. The card's number tells you its box, row and section, so when it sells you look the number up and walk to it. Nothing is kept in name or set order, so new stock goes in without making room, and the gap a sold card leaves is filled by the next cards in. The work moves from keeping the shelf in order to keeping the record right.

Why sellers switch to chaos sorting

On an alphabetical or by-set shelf, every card has one right place. That is easy to understand and slow to keep up: each new batch means sliding cards along to make room, and a shelf of thousands can eat an evening being reshuffled. Chaos sorting drops that job. New cards go in where there is space, in the order they were scanned.

It also changes how orders get pulled. With an address on every card, a day's orders become one walk down the shelf in address order instead of a trip to a different letter for each order.

When alphabetical is still better

Chaos sorting is not better at everything. If one order is twelve copies of the same card, an alphabetical shelf has all twelve together. A chaos shelf has them wherever each copy happened to arrive.

Addressing wins when a round of pulling is many orders of different cards. It loses when one order is many copies of one card. Look at last week's orders and count which shape you had more of.

Step 1: Give every place on the shelf an address

Number the boxes, letter the rows inside them, and number the sections between your dividers. An address like B002-B-04 reads as box 2, row B, section 4. Write it on the divider and on the end of the box. The exact format matters less than using one format everywhere, so an address on a pull list means one spot and only one.

Cards you would not leave on an open shelf, such as graded cards or high-value singles, go in a box of their own. That box gets an address in the same format, so a lookup still says where they are.

Step 2: Number cards in the order they go in

Each card gets the next number in your run as you scan it: SD-000101, SD-000102 and so on. Keep each section in number order, front to back. That one rule is what makes a section searchable. Here is part of a shelf:

To find SD-000117, go to B002-B-04 and flip until the numbers pass 117. In a fresh section it is the 17th card of 40, a little under halfway back. Once some cards have sold and new ones have gone in behind them, the section is still in number order but no longer one unbroken run. Flip by number instead of guessing the spot from the range.

Step 3: Refill the gaps sold cards leave

Decide how many cards a section holds, say 40, and count room by that number. When SD-000117 sells, B002-B-04 holds 39 and has room for one. Put new cards into the earliest section with room before you open a new one.

The new card does not go into the gap 117 left. The next new card, SD-000301, goes at the back of B002-B-04, behind SD-000140, because the section stays in number order and 301 comes after 140. When you add it, slide the cards behind the gap forward so the space in the section matches its count.

Record the new card's address as it goes in. That step is what keeps the system working: on a shelf with no other order to fall back on, a card whose address was not recorded is lost until somebody stumbles on it.

Step 4: Find the card that sold

When an order comes in, look up the card's number, get its address, and walk to it. With several orders, sort all their cards by address first. Then you walk the shelf once for the whole day instead of once per order, and each card's place in number order tells you how far into its section to reach. Read the number on each card as you pull it, so a card sitting one spot off does not go out in the wrong order.

That place is a count, not a fixed slot. SD-000117 is the 17th card in B002-B-04 today. Pull three cards in front of it and it is the 14th. New cards go in at the back, so adding stock leaves it where it is. Count the place again each time you pull rather than writing it down.

Should you re-SKU your cards?

Usually not. On a chaos shelf the number is what ties a card to its spot, so renumbering means recording every address again. If a card has to move, keep its number and update its address.

Running a mixed shelf

Switching does not mean re-sorting what you already have. You can keep the old alphabetical stock as it is and chaos sort only the new batches. Give the old shelf a box number of its own so a lookup tells you which system a card is in, and pull from it the old way. As the old cards sell, that shelf shrinks, and new stock does not have to go there.

Where Stowdesk fits

Chaos sorting needs one thing done right every time: the address recorded the moment a card goes in. Stowdesk gives every item an address on the way in and plans where a new batch goes, so the gaps fill first. It prints the pull ticket for every open order as one walk of the shelf, each line with the card's position behind its divider. It also keeps what each card cost, which an address alone does not tell you.

The position prints as a fourth part of the address: B002-B-04-17 is the 17th card behind divider B002-B-04. Stowdesk calls that last number the fluid position, because it is counted when the ticket prints. Pull three cards in front of it and the next ticket says B002-B-04-14. Nothing has to be recorded again.

The free plan holds 250 items, takes no payment details and does not expire. See how it compares to a sorted shelf and a spreadsheet, or see the plans for bigger shelves.

Questions

Is chaos sorting worth it for a small shelf?

If you hold a few hundred cards and know where they all are, probably not yet. It pays off once keeping the shelf in order takes real time, or once you are pulling many orders a day.

What if I put a card in the wrong section?

It stays lost until someone finds it, because nothing else says where it should be. Record the address as each card goes in. When a card cannot be found, check the sections on either side of its address first.

Do I need software for chaos sorting?

No. A spreadsheet with a number column and an address column works. Software takes the record keeping off your hands: recording addresses as cards go in, planning where new stock goes, and sorting a day's orders into one walk.

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