Bitcoin cash, Ethereum, Litecoin, Neo, Monero, Ark will provide great returns to their holders. I'm pretty sure, just waiting for the time comes for these favourite coins and they will achieve this aim without problems unless we have big crisis in the crypto space but I am very confident that the blockchain technology is the future. Also you need to know how to manage your fund because it will help you a lot. Also don't follow online advice blindly.