Buy Bitcoin and then continue with DCA ( Dollar-cost averaging bitcoin) and after a period of time you will have a good amount of satoshis in your wallet. There price of those satoshis will grow organically and you will earn a good passive income. Don't rely on anything else in the crypto market other than Bitcoin.
DCA to accumulate more satoshis, bitcoins for our portfolio is good. With DCA, we have better control on our capital and psychology against volatile market. We will be less affected by fud, news and market manipulations.
The DCA strategy is helpful for investors in accumulation through a long time and the chart of Satoshi per dollar or renamed it as Satoshi purchasing power chart, shows that our portfolio value can increase considerably with DCA too.
https://charts.bitbo.io/satoshi-per-dollar/