Usually they recommend you to diversify your investment, so you avoid losses.
But as a real approach, having $1.5k, would you invest in how many cryptocurrencies ?
What if I invest little by little, only in Bitcoin, would that work as well ?
If you want to have an assurance, then you ought to invest in bitcoin as it is the most trusted coin out there. It is better to invest on it all in if ever you see a great opportunity like a lower price rather than slowly putting money to it waiting for a much lower price. You never know how the price will go so there is a chance that you might wait a while if the price recovered and increases for a long time.
That is true, it is because their will be possible a big profit will come along if with effort and perseverance to achieve what we aim for. The life long investment is with bitcoin though we need to think for more strategies what we called a SWOT Analysis that can be determine what is the right path for it.