I make my own juice. I started with TFA RY4 Double. Was pretty much the exact thing I was buying from the vape shop. I've since expanded to other TFA flavors and recently been experimenting with Capella's. Capella's are crazy expensive, but seem to be well worth it!!!
Buy good ingredients and keep your recipes simple for awhile. Don't get to worked up about the recipes that have 6+ ingredients in them. Most of my DIY is 3 ingredients. I'm vaping on some Cap Juicy Orange 15% TFA Orange and Cream 5% and Cap Super Sweet 2% currently. Just about hits the spot. When I first started I was doing nothing more then TFA RY4 Double 10%. That's it. Stupid simple, stupid easy, stupid cheap.
Buy quality nicotine (Nude Nic is good) and quality ingredients (VG, PG, Flavoring) and have some fun!!