What A New York Personal Shopper Does, And What It Costs
Three different business models trade under the same name, and only one of them charges you directly.

Personal shopping in New York covers several distinct arrangements. Knowing which one you are dealing with tells you who is paying, and therefore whose interests are being served.
In-store personal shopping
Major department stores and luxury retailers offer complimentary personal shopping. The service is genuinely free to the client and genuinely useful — but the shopper is a store employee whose selection is limited to that store's inventory and whose compensation is linked to sales.
This is a good arrangement if you already like the store. It is not independent advice.
Independent stylists
Paid by the client, either hourly, per project, on a day rate, or on retainer. Because they are not tied to a retailer they can source across stores, and there is no incentive to push inventory.
The question to ask is whether they accept commission from any retailer. Some do, which reintroduces the conflict; some refuse on principle and say so.
Wardrobe consultants and closet audits
A distinct service focused on what you already own — editing, identifying gaps, building a functioning wardrobe rather than adding to it. Often the better value for people whose problem is volume rather than scarcity.
What it costs
Independent rates in New York vary widely by experience and scope, and are usually quoted per hour or per project after a consultation. Beware anyone quoting a firm price before understanding the brief.
Questions worth asking
How are you compensated, and do you take retailer commission? What happens to returns and exchanges? Is a follow-up session included? The answers separate a service from a sales channel.