Fair enough! IMO, it's worth it :). You could spend a bunch of time cobbling together free resources, and you'd still only get about 30% of what's in the book. How much is your time worth as a software engineer?

That said, a few notes:

1. I added a coupon code ('HACKERNEWS') to knock $20 off Basic, $30 off Plus, and $50 off Premium.

2. If you're from a country where PPP makes this pretty expensive, hit me up. I'm happy to help.

3. If you're facing income challenges due to COVID-19, hit me up, I'm happy to help.

4. If this is unaffordable for any reason, hit me up, I'm happy to help. :)