The Blue Business Cash Card for small businesses from American Express has no annual fee, offers 2% cash back on eligible purchases (automatically credited to card statements), and provides Expanded Buying Power to help business owners manage cash flow. The 2% cash back applies to all purchases up to $50,000 per calendar year. There is 1% cash back on all purchases after that. The card offers a 0% introductory APR for 12 months on purchases and balance transfers. After that there is a variable rate APR, which is currently 15.49% to 21.49% depending on creditworthiness. Expanded Buying Po...