The Plum Card® from American Express Payment flexibility to help meet your business needs Have More Flexibility over your payments. Travel & Transportation perks and protection when you're doing business on the road. Expense Management Tools to help you track and organize expenses. Even More Benefits for Card Members. $0 intro annual fee for the first year, then $250 Blue Business CashTM Card $0 Annual Fee Delta Reserve® for Business Credit Card $450 Annual Fee Built in flexibility to help you manage your cash flow A 1.5% Early Pay Discount with no cap Take up to 60 days to pay with no interest Employee Cards at no additional annual fee.