I don't know much about everything else you just said, but i did try the club and so far it is just $10/month and you get unlimited ink as much as you need. So far it has saved me money but the first set of ink that arrived was NOT OEM, but worked fine.
I cant really afford a new fancy printer...
So I have an HP Officejet 6968 and it uses HP 902 ink...but my mom has an Epson Workforce WF-3640 and signed up for this "Unlimited Ink Club" thing where she gets unlimited ink for $10/month and absolutely swears by it.
Apparently, they are trying to doing a Netflix type thing where they just...