[Noob1999]

And, now, I believe, the CPI excludes such unnecessary
volatile expenditures such as food and energy, so we now measure CPI on items that we may purchase every three to five years, and exclude 2/3rds of your wallet.

[1rudeboy]

I'll just go ahead and post this here now, in case I need to come back to it.

Common Misconceptions about the Consumer Price Index: Questions and Answers

[Ken H]

It’s an accurate measure for those who don’t eat or drive or consume electricity.