Such office hours could have a price. Given how much consultants charge it wouldn't be unreasonable to charge $500/hour (being a maintainer comes with deep knowledge).
The article mentions that - he thinks of the 25 minute sessions as more about learning how people use the software, and increasing his ability to make something cool.
But he also points out it'd be an easy opportunity to up-sell some people on a consulting session if they want features he isn't as interested in developing :)
But he also points out it'd be an easy opportunity to up-sell some people on a consulting session if they want features he isn't as interested in developing :)