Select Vitamins & Supplements are buy 1, get 1 free or buy 2, get 3 free for a limited time at Puritan's Pride. Plus, shipping on all orders is free. Better yet, save an extra 10% off your purchase with code PRC7V1 at checkout. For example, add five bottles of the pictured 60ct Co Q-10 100 mg, and the total drops from $31.98 to $23.98 to $21.59 with code. At $4.32 per bottle, this is the lowest price we could find by $5. There is no sales tax (except in NY).