Whats stopping me from buying 50 exact same keyboards, listing them 1 by 1, with different photos, and after each one is sold, mark it as sold, and start a new thread with everything exactly the same except for a different photo to show that I am selling a completely separate keyboard? Technically doing this fits under:
Close old threads once the transactions are complete (i.e., payment has been made and the item(s) have been shipped and received).
But then if you apply
If you have multiple items to buy or sell simultaneously, one unified thread is highly encouraged
What happens if I get the keyboards separately and at every single point in time I only have 1 keyboard on hand? So at every second I do not have multiple items to sell, just one.
Now yea, you can say use one thread and unlock it each time I get a new keyboard in my possession, but technically there is no rule saying I can't have 49 closed and locked threads with unique items that have been sold and having a 50th thread with the current (still unique from all the other items) keyboard. Each thread is selling a completely unique item--possibly used keyboards in varying conditions and thus to keep things fair are listed separately AND I get the keyboards from a source one by one, or I have all on hand but only feel like having 1 on the market for sale at a time.
Why I ask this is when people see a new thread with 0 replies, they will click on it more often than a thread with 50 replies because it looks like it was newly listed and there is a possible good deal that nobody else has seen yet.