Hi a41ramo,
I think you should also try doing an eBay completed listings search as well just to see how well this product is doing. Also you can try the following:
Check out the popular searches and most popular products on eBay:
Popular searches:
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Best selling products:
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If you can offer the exact same product at a slightly lower price than the rest, I guess you'll have a better chance at closing a deal.
All the best! :)