I think it's all about "what do you have time for?".
Most of us are hard pressed to study multiple styles sequentially (train one for a few years, switch to a new teacher, do that for a few years) let alone multiple styles/teachers simultaneously.
You just have to be honest with yourself about the sort of time, energy and money you have to expend on your training.
"The first stage is to get the Gang( hard, solid power). every movement should be done with full power and in hard way, also need to get the twisting and wrapping power, whole body's tendon and bones need to be stretched to get the Gang( hard) power. "
-Bi Tianzou -