Mixbook is easily one of the best photo book companies out there. Like many of its competitors, it relies heavily on temporary offers that can help you save money in various ways. The company also runs a referral program that provides a 40% discount for orders of $50 or more and free shipping for each successful referral. When it comes to permanent promotions, you can count on volume discounts for bulk orders of more than ten. To top it all off, the company gives you a refund or credit if you aren’t 100% satisfied with your order.