First, I will say that I’m not bagging on anyone.
But, frankly, I hate pre-made mixes.
Pro: Yes, they are easy, because some company made it for you.
Con: They are expensive, because you have all of the parts, at home.
Also, they don’t always turn out the way they’re supposed to.
I just made a snicker doodle bundt cake, and turned out half the size it was supposed to be.