What investment do you want? Online or you want to take it on real world? A BTC1 is enough capital to build a small investment on real world like, small cafeteria, small eatery, mini store, apparrel and clothes, goods, beauty products or any related things to that. If online, a simple holding of Bitcoin is one of the best risk that is worth to try.

In trading, where you are now in terms of trading knowledge? If you think you can deal with the risk of trading and knows somehow the basic of choosing coin then just proceed. BTC10 is a decent amount and you can used BTC1 as startup point if you want to do trading.