It also depend on market situation.Right now the market is still bearish,you can still wait a bit before you buy some crypto.Now you have some time also to do your research and to learn .
For exemple, at the end of year market strating some kind of relly.Last year it was a bubble,be aware.Try to buy before all times highs,easy to say.But if you want to trade that must be your goal.Learn how to do it.
If you just want to buy and hold for long time you must concentrate what you buy.Find some project with working product to go safe.Anything else is more risky and you can lose your money.But cryptoworld is all risky and you should only invest what you can afford to lose,thats the first rule.