Amazon offers Prime members its AmazonBasics 0.5-Cubic Foot Security Safe, model no. 25EI, for $39.99 with free shipping. (Non-members can spend $49 to bag free shipping; otherwise, shipping costs $16.27.) That's the lowest total price we could find by $6. It features a reprogrammable door key, two live door bolts, pry-resistant hinges, and wall-mount hardware.