Out of curiosity, why do you care if CCC uses affiliate links? Not trying to troll, just genuinely curious. I figure if CCC gets a bit of a kickback on something that's fair for me using their site as a means of keeping it going.
Usually it's gotten around because astronomical images are stacks of many integrations, and then you dither around. If you take 10 5-minute exposures, for example, and you dither around correctly, you might have a bunch of pixels with 9/10 or 8/10 data values... then you stack the images and weight those pixels accordingly.
Especially in the context of a small business of just 6 folks... yes, I think keeping tabs on your email is understandable.
There are 10 people that work for my company... half of them engineers like myself. It's expected that we aren't completely disconnected on vacation... but at least available if a true emergency crops up that needs our niche expertise.
That said, my boss is awesome and encourages healthy work-life separation, so stuff has to really escalate before you're expected to jump in...