Not all altcoins are waste, it seems that a few altcoins is a back up for bitcoins and use for exchange and tradings... I use my altcoins exchange to cloud mining that I got it from faucets. I can't participate regularly in exchange services due to my busy time.
cloud mining never be a good idea to grow your coins , let's think be more smart from now on. a lot of cloud mining service in the fast got bankrupt and aslo run scam for various reason and people nowadays won't believe on something like cloudmining , certain altcoin really worth to keep it for long term but when you do mining a low reputation coins and low support always better to sell it immediately.