Is it the fact that altcoins are scattered in exchanges and you have to register in different exchanges that support the altcoin you want to trade or the fact that sometimes the price changes really fast and if you sell high it might take some time before your order get filled. I really find it really stressful/frustrating after all we went through alot of stress while participating in airdrop/bounty.
I can relate to your feelings/stress but what we need is a ton of patience to be able to trade your altcoins to BTC/ETH or even fiat. Patience on waiting for your order to be filled or else you gonna end up selling it low, quick but low price.