Identifying the best coin and the right time to invest can be a challenging task. It requires research, analysis, and a bit of intuition. One way to identify the best coin is to look at its market cap, trading volume and historical performance. These metrics can give you an idea of how popular and valuable the coin is. Additionally, you can look at the technology behind the coin, its use cases and the team behind it. As for the right time to invest, it is important to keep an eye on market trends and news. Look for any major announcements or events that could impact the price of the coin. It's also important to have a long term investment strategy and not get caught up in short term price fluctuations. Investing in crypto currency can be risky so its important to do your due diligence and invest only what you can afford to lose.