Hi, I haven't tried doe subbing yet, but I was thinking about it. As you've already said, the biggest cost is the printer. You'll also need the correct ink and if using a normal printer maybe also a code so you get accurate colours.
I would suggest initially getting someone to print a sheet out. They cost around $2 per sheet, and although expensive for what it is, is much cheaper). Having your own diesub printer is nice, but I'm not sure if it'll ever pay itself back.
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