I vape a bit higher mg than you, but I prefer to by the 100mg by the liter. I split it up into 100ml glass amber bottles, then store it in the freezer. Anyone with curious young ones may not see this as the best option, I recently opened a bottle from May 2015 that was as clear as the day I got it, and it tests at the proper strength. (nic tests are optional, run around $10) And yes, you can make about 3000ml with that.
Not bad, eh?
The mixing part is super easy. Most of us over complicated it before we even had our stuff. I had my stuff for a month before I worked up the nerve to do anything with it, then couldn't believe how easy it was. Ejuice calculators are all over the place, just a matter of deciding which you like the best.
Better to mix by weight or volume? It's a matter of preference. Both get you to the same goal. If you want exact, you can get there using either method. I go for flavor consistency, which can also be done both ways. I like mixing by weight because there's so little clean up involved. Drop drop drop, done. I have flavors that don't have the dropper tops, so I keep syringes, or glass eye droppers, on hand for those. I saved a bunch of glass bottles from when I was buying juice and the droppers that came with them. I even saved a lot of the plastic bottles for that matter.
DIY juice only seems intimidating. For the times you do feel overwhelmed, take a step back and come here, ask questions. We all did/do.
