Hi.
I like your approach Dr-4x. Simple is better and MA are greats.
I just want to do only one question: how do you stay out of false break outs? (fake crosses)
MA has lag too like many other indicatos. Off course, they follow the price. Everything behind the price has lag and everything beyond is like to see the future
So, when you have a cross, the MA maybe is 1, 2 or 3 bars behind the real price. And when you want to enter in a trade the price maybe becomes against you.
I attached some pics in example.
Regards.