Do you have a credit card that no longer gives you benefits? Merrick Bank Double Your Line is a credit card that offers a unique feature of doubling your credit limit if you pay on time for 7 months. The starting credit limit ranges from $550 to $1,350, and after 7 months of on-time payments, your credit limit will double to between $1,100 to $2,700. … Continue reading Try Merrick Bank Double Your Line to get better credit limit