At PuritansPride.com, select items are buy 1 get 2 free. Three of the Vitamin D3 2000 IU supplements (pictured) are $6.99. Or, check out these Omega-3 Fish Oil 1200mg supplements, listed at 3 for $10.99, ($3.66 per per container) which is the lowest price we found anywhere on this type of supplement. Note that you can't mix and match items, however, it is useful if you want to stock up. Shipping is $4.95 and there is no sales tax (except in NY).