Cryptos are an interesting wild west of the investment at the moment. Regulation is weak, so things like market manipulation happens. However, cryptos can still make big gains. The risks to the investment, of course, are strongly linked.
You can start with crypts, for example through a Binance(link) that is a big crypto exchange. There you can easily buy cryptos on your credit card.
Instructions and examples of this site are not investment advice and should not be understood as such. Flexing wants to help people learn to invest. You always make your own investment decisions and take responsibility for them alone. The victories are yours, as the losses.