At $5 a bottle this seemed like a decent deal to me. You can sweeten the bargain by ordering via Subscribe & Save for a 5% discount and clipping the "Save an extra 15% on your first Subscribe & Save order." coupon to get the price of $15.99. Only 7 in stock as of 9/12 12:30 EST; good luck.
https://www.amazon.com/gp/product/B00558RHB2/ >$16.99 with <5 item S&S, $15.99 with 5+, S&S no longer available. Usually ships within 1-2 months.