Vistaprint takes 25% off its customized T-shirts for men, women, and kids via coupon code "CLOTHING25", with prices starting at $7.49. (The coupon may apply automatically.) That's a savings of up to $4, although we saw it for $3 less last July. Shipping starts at $4.99. Choose from styles such as basic, SignatureSoft, and long sleeve. Deal ends June 30.