Maybe change the bit about tyres, they last much better than the post makes out.
Some people make 1 set last the whole season.
I'm running 3rd in class A, done every race and practice day and only just on my 3rd set this year. Therefore my tyre bill for 2016 is £567!
It's not the size of the dog in the fight that matters, but the size of the fight in the dog.