I guess it's all in the enlightened buyer and also DIY mixer what there final cost is per ML of juice as well as can rely on what there making as well as just how. Even if it where double the.20 @.40 that would still only be $12 for 30ml's of juice, rather cheap. Regarding initial design well thats really not that much for me, no big deal since I will certainly be at this probably for a long long time perhaps the remainder of my life I appreciate vaping a lot. So bottom line is ya also at.25 Do It Yourself it's extremely low-cost as well as the juice I'm making is actually good, like it. A lot of brick-and-mortar vape shop areas have pleasant, experienced team that can assist new vapers discover the experience they're searching for and also send them in the best instructions.