I'm wondering why everyone is talking about MASS mining on HDD, is this coin that profitable to mine? Even the new CHIA coin requires 100TB to earn 1.91$ per day which is bad, it's better to just use GPU to mine ETH,TON, Ravencoin, Ergo and Conflux, these coins are more profitable to mine
Its up to you which coin you choose but one thing you have to see before selecting every coin is that whether that particular coin is worthy to be mined or buying it from exchanges is more profitable. After then you can make your investment plan. CHIA is using PoST algorithm, its price is high so will be its mining complexity.
There are many coins out there in the market and you can select yourself which coin to buy or mine. Mass was a big hit in the start since it gave the concept that crypto can be mined on your spare space of HDD. there are many who bought it in early days got huge profit, there are many such gems hiding.