I do not have that much knowledge in bitcoin but my friends has and I believe them. So holding bitcoin is the good way to make money.
yes hold your bitcoins. It's the future of money. So, it may reach higher prices beyond your friend's expectations too.
People are perfect at predicting bitcoin prices but not guiding people when the recommend into bitcoin world. The proper way of recommendation must be encouraging them to buy some small amount of bitcoin initially as we need to consider $250 range of prices is very low when we compare to all time high of $1200.