No, it's never too late as long as you have the budget for buying the coin. Yes, it would have been better to buy when the BTC price was low, but if the current rate keeps going the way it had until now, why not?
You are right man, It's not too late, bitcoin price will increase in the future, so if you invest now in bitcoin you will make a great profit in the future. There is no fear of losing, because all people know that bitcoin price will increase due to the increase of people who enroll the bitcoin community.
It's never too late if you intend to hold it for the long term' say a year or more but if you want a quick profit then you need to equip yourself with some trading skills on the forex market else you will be disappointed.