It depends on the seller, and many never say. On TaxClosers an exclusive lead goes to one firm while it is fresh, shared and aged leads can go to more than one firm, and every lead shows its times sold.
Times sold can matter more than age. A lead few firms have called can beat a newer lead many firms have called.
Older leads cost less on TaxClosers, so you can buy more of them for the same money.
Ask every seller for times sold in writing before you buy.
Updated October 2026. Market prices are list prices from public seller pages. Results depend on your firm. Not every lead becomes a case.