At this point with the market so shaky, is it worth starting up mining Altcoins considering the startup costs, the difficulty levels of various coins right now still working in a PoW system or is it smarter to just invest and trade them like everyone else? For example the Bitcoin Cash difficulty level is: Current BitcoinCash Difficulty: 533,490,993,486.88900000 https://www.coinwarz.com/difficulty-charts/bitcoincash-difficulty-chart