Since you mentioned crypto trading, might I suggest you take a deeper look at what fundamentally blockchain can accomplish via smart contract and then invest in project that will be powering it.
One project I'd suggest you checking is Chainlink. Check out these reading and video:
Yeah, that's the problem. I am happy to invest a couple of thousand bucks into something, and while crypto can have some very large returns at times, I'd have to hit something just right for it to grow 500-1000x. I am sitting on some Stellars and a few other cryptocurrencies but the amounts aren't large enough. Even if I double my investment, it'll pretty much allow me to pay a month's of rent or so, not retire. Gambling huge sums requires that you are already rich. That's where a 5% gain in a particular cryptocurrency nets meaningful results.