October 16 is way too late for mail order sales in time for Halloween.
It's probably too late for Remembrance Day sales.
Now would be a good time to promote Christmas items.
Most eBay promotions are set up to encourage new and occasional sellers to list, especially near quarterly report time,when the gamblers who hope the price of eBay stock went up since they bought are watching.
Since you are an established seller, there's not much value in giving you any deals beyond your lower fees for your Store and your discounted fees as a Top Rated Seller.
