Our group is playing a 15th-level adventure. I usually allow them to create custom magic items that are within reason, and so far that had been fine with the regular Wealth-by-Level (WBL) rules. However, I got into a pickle trying to put a price on a new item for a player.

This player has a character themed around piracy, a Sorceress that's also a pirate captain with her own ship, crew, and all. The item in question is a pair of stockings that goes as follows:

> 
> **Captain's Stockings of Treasure Finding**
> 
> 
> This black pair of silken stockings grant the wearer the ability to
> detect valuables in a wide area around them. On command, those
> stockings emit a pulse that reveals the location of all unattended
> treasure in a 120 ft radius, including those buried at up to 60 ft
> underground. Only items worth 100gp or more can be detected this way.
> Treasure chests, bags of gold and similar containers holding valuables
> are considered a single item for the purposes of this ability.
> 
> 
> 

An item like this one doesn't seem that bad at face value, but it seems to me after talking with that player that her intention is to increase the amount of wealth the group can recover from adventures, so they can play with a wider variety of fancier items. I'm *not against* this, but it feels wrong to me to put a price (or even ask for an item slot!) for something that is not a power increase to her character, but instead a rebalance of the WBL.

I'm tempted to just hand this to her as a slotless item, but I'm not sure if this is the right move.

How can I handle putting a price on this? *Should* I put a price on this to being with?

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If relevant, consider she has all the appropriate feats and spells to create this.