Which is why every major operating system (except iOS) in the world is now free, has free upgrades and updates and if it wipes your system, well tough, that's in the EULA.

Cancel? You can't, you can only revert your account to the unpaid plan.

We also reserve the right to take our pens back whenever we want.

Now, we could setup a special "enterprise-level" plan for you, with onsite production, dedicated management, and pen and ink manufacturing which you'd own after you paid off the terms, but that'll be a bit pricey.