I use this to print labels.
http://1.bp.blogspot.com/_t5Xqp0AYeg4/SvMR-B3PFaI/AAAAAAAAADE/dLtOeppmseI/s320/sharpie.jpg
That ones easy to refill. I hear that to much caffeine knocks the print head out alignment.

It's easy to overlook something you're not looking for.
This is a site I built for my work.(RSD)
http://esmansgreenhouse.com
This is a site I built for use in my job.(HTML Editor)
https://pestlogbook.com
This is my personal site used for testing and as an easy way to share photos.(RLM imported to RSD)
https://ericrohloff.com