It's all about the development of and features of the altcoin, some of the altcoins are cheap at the start but after ma couple of months or years the price are going up but this will still depend if it has potential like Ethereum. And right now, even though there are new altcoins we still need to research before we put our money into it.
Investing in BTC or altcoin is risky and you don't know when the market will go up or down, and that's why knowledge and experience are a must before you jump into the cryptocurrency world.
The team effort also responsible for the growth of the coin price,the marketing strategy followed by the team was important one for the growth of coin or token in the market.The Ethereum price had reached the value of 3k dollars,this was the good news for the Ethereum investors.The traders who choose the potential coin to inverse money will get return from the investment after some period of time.If you want to inverse in the new altcoin project,better to check the background of the project for the safety of your money.