Darleen Online via Amazon offers Prime members the Taseyar Therapeutic Grade Aromatherapy Essential Oils Set for $16.99. Coupon code "D8RBGM9R" cuts it to $9.99. With free shipping, that's a buck under last month's mention and the lowest price we could find by around $13 today. The set contains lavender, tea tree, eucalyptus, peppermint, lemongrass, and sweet orange essential oils in 10ml bottles