well i think nothing is not really sure in investing even in other business. Investment and business is always have a risk. So before you invest on something you must to know what you are doing. Make some study before entering or investing. You dont have to rush just because you heard that this investment is a good investment. Remember that the hardest thing to give is trust and always remember that you are not only investing money but also time,effort and patience and all the same that it is better to save money or still put them but in another cryptocurrency. After all, bitcoin is not very pleasant for investment and there is a big risk that you will not get profit but only losses