Home Dealnews The Blue Business® Plus Credit Card from American Express: 2x earning rate... Dealnews The Blue Business® Plus Credit Card from American Express: 2x earning rate on purchases up to $50,000 By ARCOM - 4 May 2024 16 0 SHARE Facebook Twitter Go to the deal page: The Blue Business® Plus Credit Card from American Express: 2x earning rate on purchases up to $50,000