Ripple is one of the good cryptocurrency that started the same like bitcoin. Their platform is also based on bitcoin and it also has its own benefits when we use it. The price of ripple is still rising and we can be sure that it will hit a significant figure in the future.
Ripple will be used for transaction protocols, but price will depend from number of coins in use, that is not limited, new coins could be added at any time, and that will influence pricing..
Not sure, we have a deal between the investor and Ripple's company. They can't create more coins without the accepted of the most investors. So, for this case, you don't need to worry much. Because every thing is safe for invest in Ripple. This coin will make the cryptocurrency market be surprise again.