My main lesson here is to invest as early as your age and later on, you can use it to buy what you need. Invest in cryptocurrency or stocks that have potential and you won't regret it in the end.
"Early at your age" and "not regret later on" kind of things are not related to bitcoin investments in my opinion. I am saying this by considering the upcoming adoption levels and basic potential of bitcoins. But, perhaps these are perfectly suitable for stocks or any other investment types. Bitcoin is still in its early stage and it may scale big heights in coming years hence we can start with bitcoin at anywhere as of now.