nothing is certain with bitcoin but the chances of a big profit is high.
if you believe in bitcoin and read about it you will find out that it has real potential that can make the price go very high and help getting a lot of profit.
bitcoin is the best financial tool man has ever created
If the Bitcoin's price increase with time as expected so holding Bitcoin a long time worth this, but if the prices get down for any reason we will lose,. i think its depending in the future prices..
It will increase the price as in the coming days if Bitcoin is accepted in all countries and Bitcoin is getting in mainstream of life then you wont know that what will be the price. The future of Bitcoin is very bright