Thank you for sharing such an honest look at how things are going. I'm have a side project that deals with organizing events, and as such also has some awkward

Thank you for sharing such an honest look at how things are going. I'm have a side project that deals with organizing events, and as such also has some awkward failure modes. Many customers leave preparations until the last minute, and so when issues occur they are very time sensitive. What might have been a 'Hey this doesn't work right' email a couple of weeks beforehand becomes a much more urgent phone call the day of. The problem is the potential loss and/or stress to the customer huge compared to what they are paying for the service. 24/7 phone support isn't viable on a $50 product. Other than trying very hard to ensure there aren't any issues I don't have a good solution to this yet! I'd be interested in hear what sort of processes/automated testing do you have in place to try and minimize the risk, particularly in dealing with an external API like Twilio.