Explain to us what are "tour brakes" -never heard of them.
If your power brake booster (the large roundish metal thing that the master cylinder is bolted to) either fails or loses its source for vacuum then your brake pedal will become very difficult to push like if you have manual brakes.
Before it fails? Back up all your documents etc. (if you have vista/windows 7, they have a backup program, if other, just copy C:) to an external hard drive (via USB)
You mean Brembo Brakes, there's no such thing as Rambo brakes
Take your foot off the accelerator and's stear slightly toward the direction of the skid. Do not apply the brakes.
Take you foot off the brakes. This may restore some traction so you can steer or apply the brakes more gently.
The first thing I would check or do would be to remove the rotors and check their condition. If they have enough surface left, have them turned to get them true again. If they can't be turned, then replace them with new (which should also be turned or at least checked .The most common cause of pulsating brakes, I have found, are warped rotors. This is usually caused from overheating.
The first thing to do about invoice discrepancy is analyze to find out if there was a mathematical error. When that fails, a meeting should be held between the parties in question to discuss the differences and fix them.
What is the first thing you should do before replenishing consumables
This is not a good thing to do. If you are having difficulties with your brakes, you should take it into a mechanic.
Well you should check your Brakes always and maybe you burned the ABS wire or the Disck brakes maybey there is a Oval problem so yoe must change it coz its not SAFE to Drive it ,and the last thing it may its happens you should gauge it ,
TRUE
on the back behind the wheel hub should be a gear looking thing that moves turn it slowly until fully ajusted