What is the true cost of inflation? It is complicated.

Gas, groceries and housing. The three areas in which Americans spend the most are significantly more expensive than a year ago.

Inflation is at its highest level in more than four decades after hitting 9.1% in June, meaning the majority of Americans are experiencing the first serious and sustained price hike in their adult lives. It eats away at paychecks, savings, and a sense of stability.