“I'd reply to customer emails as soon as possible. If a customer email came in at 3:00 a.m. I would deal with it right away. At that time every extra customer made a big impact on MRR.”

Reply To Every Support Email Within Minutes — Even At 3am — To Compound Early MRR

In the first two years Angus treated every support email as a retention emergency, responding instantly regardless of the hour. At low revenue, each saved customer materially moved MRR — and that obsessive responsiveness compounded into the customer base that now pays him $40K/month.