On communicating https://www.kalzumeus.com/standing-invitation/

On software business https://www.kalzumeus.com/2010/03/20/running-a-software-business-on-5-hours-a-week/

TONS of gems:

• Clock Time vs Calendar Time (setting up a/b tests and waiting for results)
• NEVER promise anything unless needed

How to make a reliable website/service https://www.kalzumeus.com/2010/04/20/building-highly-reliable-websites-for-small-companies/