$S&P 500(.SPX)$ $SPDR S&P 500 ETF Trust(SPY)$ No argument, the value of fiat currency has been declining, and for good reason. Otherwise, you've got it upside down.

Yes, people make $70k now, they made $50k a few years ago. They will make $80k or $90k a few years from now. That's what inflation actually is.

Cars Were always big purchases, but you can buy one for $30k unless you simply must have something fancy like an EV. The real issue is huge interest-rate-driven payments for those who buy cars with credit.

Housing is simply expensive. I get that, but the causes are more complicated.

Stock prices don't really need to go down. As prices increase, a company with stable margins actually makes more. That effect is offset by higher discount rates, but inflation is (overall) constructive to stock prices, not destructive.

The only people who have gotten killed are those who were so convinced we faced economic Armageddon that they hid in cash. Those who invested in inflationary assets did well, and will do well, until the trend changes. Then you'll want to own long bonds. But you still won't want to panic and own too much cash. I'm trying to help.