I get the impression you really fell for the crypto hype early on and therefore lost money? I personally would like to add that when it comes to investments, never invest in 1. something that already is pumping and 2. make sure you know yourself what it is you are investing in, and why! Once it reaches twitter you can assume the timeframe to buy and then sell for a profit is very narrow, it's the trap way too many people seem to get stuck in. But, it's good to bring up points like these!

Yes discounts are usually offered at the start o the campaign, before heavy advertising.
You can only make profit if it gets dumped and you predict the time it reaches its lowest value and buy it up and then sell it when it gets pumped again (but realistically, it might never get pumped or it might take years for it to be pumped again).
The best way of learning from mistakes is getting experience.
Mankind learns best when he experinces it firsthand so trading with small amounts of money is good way to learn new things and become a real broker.
It's always great as a newbie to make what seems to be massive losses and learn from them. You usually don't have much as a newbie so it's not much you lose but a lot you learn for when you get larger amounts...