I never want to invest on any of altcoins by selling my bitcoins because I knows that bitcoin has more potential than any other coins so it will give more benefits in future if we hold until,if you invest on altcoins you can invest the amount from profits of your bitcoin.
Yes. very aggrieved when investing bitcoin. because bitcoin has a huge advantage. has a very high market price. I am sure by the end of 2018 there will be a rise in bitcoin prices that will rise and normal again