The crypto market is heating up again as South Korea's FSC may lift the spot crypto ETF ban. If this happens, adoption of crypto coins in this area may skyrocket. In this environment, people are looking for ways to see big returns for the lowest costs. Experts think that these three best cryptos below $1 may skyrocket soon: Ripple (XRP), IntelMarkets (INTL), and Dogecoin (DOGE).