This is the way, with "bus factor" as the one downside. What happens when you get hit by a bus or someone with higher annual revenue tracks you down because of

This is the way, with "bus factor" as the one downside. What happens when you get hit by a bus or someone with higher annual revenue tracks you down because of this comment and hires you away from this custom software stack with a bigger slice of the profits? It sounds like there's also a bus factor for your server but I'm sure you're aware of that though it sounds like your clients aren't.