If you have low funds you have two option. One that requires a lot of time invested is trading. This means you buy altcoins at a low price and sell them for profit at a bigger pricer. But you need to read a lot of news and be in touch with the market almost permantly. Also you need to do a lot of transasctions and study the technique of trading.
Youre second option is to invest in ICO. This means you have to research and decide on 2-3 ICOs you believe in and buy some tokens. The advantage is that you can get them at a cheap price, you may get a bonus at buying and you can gain some tokens from doing refferals campains.
The key is tot make a good research before you invest youre money and the results wish surreley come. Best of luck!