There is not strait jacket routes to follow once an investment in made in crypto. What is required in order to make a good decision as to exchange an altcoin for Bitcoin or convert to dollars is the studying of the market trend. Studying the market trend will reveal how well the coin in possession is performing and its capabilities of rising. If the coin is performing poorly, compare it with the performance of Bitcoin. If Bitcoin surpasses it in performance, you're good to go, thus exchange it for BTC.