I have been wondering why some suppliers oil's are so darn high. 16oz bottle for $20-22, 8oz for $ 15-16. I can buy from other places for $13 - 15 for 16oz and the FO are superb, like JS, Ind.Candle, Ng. Are they extra awesome, worth the money? I've thought of trying some, but afraid they aren't any better. Any thoughts on this?