You don't need to crack anything, pirate your ebooks (I've recently had good results from annas-archive.org for fiction books) and send them to kindle as personal documents.
Laptop and Chromebook are two very different things. A laptop is sufficient for any use case that doesn't demand GPU power, but if you're ever considering buying a "gaming" laptop, don't. You can get a cheap laptop and a decent gaming desktop for the same price and they'll last you longer and run better.
When you go to PM, it clearly shows a message reading "Warning: Private messages in Lemmy are not secure. Please create an account on Element.io for secure messaging."
It's a public message board, don't put anything you don't want public on it.
You don't need to crack anything, pirate your ebooks (I've recently had good results from annas-archive.org for fiction books) and send them to kindle as personal documents.