What is the best way to buy in your opinion?

Personally, I prefer DCA, which is the average cost in dollars, meaning buying regardless of the price, as long as it goes down, in the end my view is purely investment and far from speculation.

$XRP $BTC

Even in zero currencies such as $PEPE and

I often try to have the currency price go down and increase the purchase amount, and this will lower my average cost and help in the total profit.

What do you prefer?