Is it worth buying $100 of Ethereum?

Could you please offer some insight into whether investing $100 in Ethereum is a worthwhile decision? Given the volatile nature of the cryptocurrency market, what factors should I consider before making such a purchase? Is there potential for growth, or is the risk too high? Also, what are some of the challenges and opportunities associated with investing in Ethereum specifically? I'm interested in understanding the long-term viability of this investment and whether it aligns with my financial goals. Thank you for your assistance in navigating this potentially lucrative yet uncertain territory.