I know that it's possible to investigate players' talent with a scout, but there is no way to show the talent of your players to other users.
When selling a player, hidden talent can limit the number of potential buyers. In many football manager games, hidden skills become public when a player is auctioned, and I think that showing the hidden talent when a player is auctioned would give a positive boost to the player's market.

Furthermore, being able to filter players with a minimum number of stars could simplify the user experience when looking for players to buy.

You could charge a fee of 0.05 gold without the need to have a scout for players for sale. It would be a way to bring resources to the game. Pay whoever you want. It's not mandatory.

From a seller's point of view that won't solve the problem, especially for the youth market where talent is much more important than skills.
Also from a buyer's perspective, if you are looking for a 4* youth midfielder you should scout every midfielder for sale. I would rather pass, that's boring.

A more active youth market would bring a lot more money to the funds. More € from sale taxes, more gold from youth replacement.

Maybe the seller could pay a fee to reveal the talent of their auctioned player...

It's a very good suggestion, in my opinion. 

+1+1

I agree this is a good idea. The market is flooded with 1 star players. Even if all 1 star players were revealed automatically so you would only scout worthwhile players of 2 star or higher that would make a difference.

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