You want to clay bar it before you wax it though. So wait a few weeks before you do the clay. Think of your clear coat like skin..it has pores just like we do
Dirt gets in there, and that's what gives your paint the "rough, acne" look. The clay bar pulls all that dirt out, and then you fill the pores with wax.
And I totally know what you mean about getting tired haha. I do everything on mine by hand as well...and sweet jesus, it feels like a workout.
Also, my two cents on an electric buffer...I hate them. They are a pain in the butt, and wont get you anywhere unless you spend big $$ on one. Or maybe I have no idea how to use one. But regardless the wax always ends up coming out like poop. Have you tried the Black Box on your car? I bet you'd loveeeee it. I think meguiars makes it. But yeah it's called "The Black Box", specifically for black cars. I almost want a black car just cause the box looks so damned cool....why don't they make a "Yellow Box"
lol