Checked price for rotor and break pads recently.
For rotor, you can get it from $20 to $200+, YES! $20 - $200+ each!
For break pads you may get them from $20+ to $100+ for a set of 4.
As the $20 rotor indicated, it will last at least 2 years/40,000km.
By the same lifetime/price ratio, the...