Congrats! Lazarwolf is right on...
Preparation is key- if you are not using a brew software, spend a few minutes and sketch out you plan, get your hops ready while you are mashing your grains, and get your egg timer (or iPhone).
Plan on at least one 'hiccup' and have fun.
Other than...
I have done a bunch store-bought juice based ciders, and the one thing I have learned is that time is the most important thing.
Let it overstay in the primary (2 months was way better than 2 weeks for me). Maybe even use a secondary (which I hate to do), and when you bottle- just try to...