Base Class: Rogue
No one ever got rich by sticking to the rules as written. Seeing what's possible when you're bending the rules just a little, you just can't get enough of the good stuff. Which of course is other peoples' money. And who's to stop you? After all, everybody's doing it and you're getting no complaints from your claimants.
Level 3: Official Oversight
This grants you Darkvision and you can make a perception check as a bonus action to find hiding places for valuables of any kind.
Oversight
When you look close enough, there's never nothing to see.
Body Scan
This gives you Expertise in Sleight of Hand and you are proficient with Surgeon's Tools.
Without prior Notice
Stealth Attack (Cost: 1d6). If you have the Hide action’s Invisible condition, this attack doesn’t end that condition on you if you end the turn behind Three-Quarters Cover or Total Cover.
Keeping the Distance
Your power is absolute. As an action any creature of your choice within 10 feet radius of you takes psychic damage equal to 2 plus your Intelligence modifier and moves 5 ft away from you if possible.
Withdraw from Procedure
As a Magic action, you gain the Invisible condition for 1 hour or until you dismiss this effect (no action required). This invisibility does not end after you deal damage to a creature or you force a creature to make a saving throw. Once you use this feature, you can’t do so again until you finish a Long Rest.