Welcome to the new people and grats to those who quite smoking!
With DIY you going to have to know what flavors you like and order flavors that will support them. Some basic flavors that most have in their arsenal would be cheesecake, vanilla, baverian cream, vanilla custard, maybe strawberry, some tobacco flavors, ect. You will learn more when your able to get into the DIY section and there is a ton of good information that should be read before ordering anything so you have a good idea of what your going to need and what your getting into.