There is something that new DIYers do sometimes...to get the hang of DIY first, before trying to make recipes with several different flavorings. It also is really easy to make something that's definitely vapable right away...and is super easy to make! What is it they do??
They buy their Nic base in either PG or VG, some plain PG, plain VG, and some of the One Shot flavorings and/or Blends from OSDIY Shop. I never tried them until just very recently, long after I'd already been making many recipes with multiple flavorings, and also coming up with a few of my own. BUT...I'll tell you what - You just use anywhere from about 7%-10% (to suit your own taste) of a blend (like their Lucky Shot), or one of their One Shot single flavorings (like Baked Cinnamon Roll, or Strawberry Milk, or Southern Tea, etc.) in with your PG, VG, and Nic base. Their Lucky Shot and the Baked Cinnamon Roll are both good enough IMO, that they could easily be favorites for me, even though I make more difficult recipes, too! They're truly wonderful...very tasty!
I also started with a sample mix of some Lucky Shot, then added a small amount of TFA Banana Cream to it, and Wow...was it good, too! Next came a sample with Lucky Shot and just a tiny amount of Baked Cinnamon Roll in it, and it's another winner IMO.
So, get your feet wet slowly if you need to. Start with something simple like the above or similar. Before you know it...mixing will be second nature and you'll be loving it!