I will also suggest that you can go for Tron as a starter, especially if you don't really have much capital to invest. Tron has high supply, the effect of it's price increase is quickly felt even if you buy like 10,000 of it and TRX is doing well now. However, if you have much for investment and you have someone trustworthy and experienced in crypto trading to guide you, then you can invest in BTC or ETH.
In my opinion, it's too late to invest in Tron. Over the past few days, its cost has increased almost 2 times. Therefore, you need to select something from new DeFI projects, those that have not yet increased in price by hundreds or thousands of times. And of course, part of your investment should be directed to the purchase of BTC and ETH.