I'm an 18 year old kid and just invested 150 in crypto, did I make a good choice?

Yesterday I bought 100 dollars worth of bitcoin (97 after fees) and 50 of Ethereum (48 after fees). I also got a bunch of free random cryptos from coinbase surveys. I chose coinbase because it is one of the better platforms available in my state (NY) according to my friend. My friend and I both invested 100 in BTC because we noticed the graph had a slight trend and in a couple of months our 100 may be even worth 140 which is really all we care about. I don't plan on going crazy and spending thousands yet especially because I'm new to crypto. I also noticed Etheriums chart followed a trend too and bought 50 dollars of that. Are these two currencies at all safe? Do they have a positive future? Did I invest at a bad time? I appreciate any advice.