Vistaprint continues to discount customized T-shirts for men, women, and kids with prices starting at $7.49. Plus, coupon code "SALE40" drops prices even lower to $6.69. That's a buck under our mention from March, a savings of up to $5, and the best price we've seen for these items. Shipping starts at $4.99. Choose from styles such as basic, SignatureSoft, and long sleeve. Deal ends June 30.