I've set up one validator node, running it on eth2.0 to generate passive income. Additionally, I invested in newly launched NFT projects like Axie Infinity (play-to-earn), Pegaxy (play-to-earn), Azuki (profile picture NFT), and Illuvium (play-to-earn, AAA).
It's important to note that I'm not advocating for investment in the mentioned projects. I'm not a financial advisor; I encourage you to do your own research, mate.
What's performance of your investment? I have been also investing in some NFT related projects. I have also axie infinity but my pets(axies) seem useless. I have been stopping to do play to earn game since the price of SLP has been dropping so hard.
Glad to see you could survive from your cancer caused by crypto. That proves that there is a real use case of crypto just like money.
The bearish trend has wiped out all of my spirits to farm through play to earn game.
If he does mentioned that his mining and investment did let him survive those medical expenses then we could actually say that it is really that something positive but for those NFT's mentioned above or game
which we know that they arent doing good as of now, assuming that his/her cancer treatment in past 2 years or more then we could actually say that it is really indeed relevant with those
times which earnings could really be able to patch up.
Only a few could really be able to go or deal with mining venture knowing that GPU's or ASICs arent really that cheap and this is why it would really be only a few could
really be able to touch up this space because of the cost. Some could able to afford but the electricity cost is too high then it would be no sense on doing so.
@OP, life challenges is inevitable and good thing that you do able to survive yours.

Live life to the fullest specially that you have
overcome a very big challenge that you have in life.