I made the fortunate mistake of ordering a premix wrong. Thought I was getting 65/35 VG/PG but it was just the opposite. Tasted great but was very hard on my tonsils. No worries though, I'd been reading the sidebar HARD and wanted to eventually get into DIY so I used this opportunity to buy some nic, PG, VG, scale, and some bottles. Luckly the vendor I bought the premix from also sold the concentrated flavor. I titrated out my nic last night to be sure it was legit and spent this afternoon correcting my mistake by doctoring up my premix to 50/50/3mg and 6mg using the E-Juice Lab Android app. My next order will be more nic since I just got a 30ml bottle off ecx and some flavors so I can start this in earnest. I suggest this method as a low risk entry to DIY. You already know how it's supposed to taste so no surprises there. Today was all about learning how to use my equipment and how to be safe with my nic. Thanks r/rdiy_ejuice!