Only refer to safe investments!
There is no such thing as "safe investment".
All kind of investment comes with risk. Investment is like gambling but depends more on skills than luck. Better skills/knowledge you have about where you are investing, the less risk it comes with.
I will save those coins hoping that will increase its price someday. Hoping this method will my bitcoin grow.
This is also "not a risk free investment". Alt coin investment has the highest risk of all. Unpredictable if they will rise or fall(just like most of the new alt coins.)