and if u get the buffer, make sure it is always, or at least has a setting; with random pattern on it. If it doesnt have that then it will leave streaks that are noticeable. They sell high quality black and decker ones at walmart for like 45$....comes with some extra heads 2.....

 

mines just a cheap crappy one i think was half price at 20euros, nevermind guess i will stick with doing it by hand