If you get to pick the scents you want then I would pick by what you like. If you like florals, get those that you like and are familiar with how they smell. Probably the best money-saving method is to get the 1oz bottles until you know if that is a fragrance you like or don't when you add it to your wax. Do your best not to judge a scent or fragrance out of bottle. Wait for it to be in the application you are using. Sometimes a fragrance cheers up in something and sometimes it's a downer. Sometimes it will stink to high heaven and become something gorgeous in a medium like wax. I realize that isn't the easiest of things to do, but it's just my suggestion. Once you're comfortable with scents then you can start imagining what you think others might be like based on a description. I'd stick to pretty basic notes early on if you're just starting. Like we all know what lavender smells like right? Same with honeysuckle? Same with a sugar cookie, chocolate, an apple pie, vanilla, cinnamon (red hot candies verses the spices) and then when you're familiar with the simple scents, you have a better idea of imagining what a more complex one would be like. And I guess I don't understand the last part of your question ... why do you fear mixing scents? If I understand that first then maybe I can help you with the rest.