# Cash-Only Operations: Using physical cash or checks for all business and personal transactions. 2 brands ranked by AI visibility (Brand Authority Index) Top brands: 1. American Express (Amex) (BAI: 98, fintech-financial-services) 2. American Express Company (BAI: 94, fintech-financial-services) Raw queries: Cash-Only Operations: Using physical cash or checks for all business and personal transactions. | Cash/Check Economy: Using physical cash or checks for all business and personal transactions.