Here is the "choice" rules. Note that you need to use Dutch or fixed...althoug eBay did rule that the personalized items I sell, I can sell one at a time, so I'm not sure what that means LOL. I know what you mean about someone turning you in..seems the competition just waits sometimes to see if the wording will pass eBay's muster. My ebay, Paypal and Vendio bills were outrageous this year, but then so were my income taxes, so I guess that means I'm making money LOL.
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Choice Listings
A choice listing occurs when a seller allows buyers to choose from a selection of items. Choice listings can be problematic because of the potential for fee circumvention, transactions outside of eBay and other issues.
Choice listings are generally not allowed and will be ended. The Insertion Fee will be automatically credited for that listing. See also the policy related to choice travel certificates.
Exceptions:
Listings may offer custom-made items or services that are created or customized to the buyer's specification such as made to order clothing. Other permitted examples include re-sizing of rings or personalized mailing labels. All offered options must be provided at no additional charge to the buyer. Choice of title in software, books, music or movies is not allowed. Choice of size in pre-made items is not allowed.
Multiple quantity listings (Multiple Item Auction, multiple-item fixed price or store) may offer a choice of color in otherwise identical items. However, the seller must be able to fulfill the entire quantity of every listing in any offered color even if every winning bidder makes exactly the same color selection. It is not permissible to state "The highest bidder gets first choice." Choice listings may not be offered "subject to availability" or request the buyer to contact the seller to see which colors are available or what quantity is available. This exception for choice of color does not apply to single quantity listings.