you probably don't go all in, but try to find real assets that are not _too_ strongly correlated and are likely to have durable long term value. The most compelling answers I've heard are things like desirable real estate, commodities, or futures/contracts like water rights. Even then its not no equities, just a much lower allocation to minimize down side while still capturing some of the exuberant growth

Gold performed well in the 1970s - 1980s stagflation. That's why gold has gone up so much in the last few years - because people expect stagflation.

Real estate preserved value. However, I'm not sure that it will this time because population growth is not as strong as before.

Aswath Damodaran (https://pages.stern.nyu.edu/~adamodar/) from Stern School of Business at NYU says; 'Something bad is coming': Aswath Damodaran is ditching diversification, eyeing hard assets - https://www.businesstoday.in/markets/stocks/story/something-...

Also see books/papers/etc. under the "Writing" section of his webpage for insights.

Invest outside the US or bet on de-dollarisation (e.g. central banks everywhere buying gold). Just make sure you're not left holding dollars.

Maybe gold? Crypto? Other economies like China or India?