Finished Zero to Sold on audible today. Highly recommend it - it's packed full of easy-to-digest tidbits for new founders. Also really happy it was released as an audiobook. I was able to consume it over a couple of weeks during my morning commute.
A couple of takeaways
A couple of takeaways

Reilly Chase went through some heartache segregating assets/products when selling Ghostifi recently as an example

What does this mean?
Do your best to make your software amenable to change; providers, platforms, and services come and go. If you need to switch your cloud platform in 24hours, is your code ready or is this a month refactor?

You've only got so much capacity to create a business and learn new skills - pick your battles. Be as pragmatic as possible. What are you trading off when reaching for the new thing. Development is just the beginning

Is this problem a critical one. Does it fit into my target user's daily workflow, or is it a nice-to-have? You need to structure and prepare your business based on those answers. This is guidance but vital!
If you haven't got it yet, I think its well worth the small price. It also helps support Arvid who does a lot to empower this community.