Upload the tracking number directly into the marketplace so it is stored for both buyer and seller. Automatically email the buyer with the tracking number too.

This makes it easier for both users

I have some cards from Halo of Awakening set that I’d like to add but there isn’t even a Battle Spirits or Battle Spirits Saga category option.

Like the new coin price guides and trackers, how about Vinyl records next? (Probably starting with VGM based ones and working backward to other genres of music)

Being able to prioritize which games, systems, accessories to acquire first based on desirability would greatly improve efficiency of purchasing efforts.

The report functionality doesn’t work for reporting Heritage sales. I’ve found multiple instances were Heritage sales were incorrectly categorized, under the wrong game variant, etc. with no way of reporting it.

When a user enters a eBay sale, there should either be an option to input the condition or when the data is scraped the condition from the listing should be utilized. This can be utilized for further analysis or even deciphering how one’s own game compares.

Sort a collection page by issue number or card number.  This would be similar to sort option available on search and browse set pages.

Watara supervision was a failed gameboy competitor with over 60 games, three hardware revisions and released in multiple regions, including US, germany, UK, and some asian countries. It is currently not possible to add either the system nor the games properly.

Please add Japanese Pokemon cards to the site.

You have a filter for Japanese Region option but there are no Japanese Pokemon cards on the site