Product - Verizon Wireless $30 Prepaid Refill Card (Email Delivery). Product Straight Talk Wireless $55 Day Unlimited Plan Prepaid Phone Card. Price. How a Prepaid Debit Card Works. The Walmart MoneyCard is like a credit card that you control the limit on - you prepay the amount you need that limit to be. Walmart MoneyCard is a Prepaid Visa or Prepaid MasterCard. No credit check. No overdraft fees. No bank account required. Shop, pay bills, direct deposit and Access Your Account · Check Balance · Activate Your Walmart · Adding Money.