The good and accurate advice in this article is getting a ROTH IRA and 401K, and maxing those, if possible. HSA may be good but are not always what they seem.

The inaccurate or bad advice is that any of this is compound interest. Bad advice on crypto. You may make money but it should be the speculative part of your overall portfolio, i.e, be prepared to lose.

Work with a financial advisor to figure out how to invest in various risk levels.

Finally, real estate is a good investment but is a non liquid asset. Stocks are a liquid asset.