Their prices do seem to continue to increase though
Do they have a bunch of cash in the bank?
Do they have higher revenue than Cost of Business?
Do they have free cash flow? Is it growing?
A business that isn't profitable and also isn't growing is a much different beast than a company that is investing its cash reserves to grow the business.
They're a public company so you can check for yourself: https://www.sec.gov/ix?doc=/Archives/edgar/data/1462056/0001...
But even on a non-GAAP basis (which excludes stock-based compensation), their net income for the most recent quarter was a loss of $5.5 million.
It's fair to criticize the per-TB price increase.
Apparently they've been losing money, so from that perspective it makes sense to increase prices, but it doesn't seem like it's based on their costs going up.
(The unlimited home backup price going up is a separate matter and has much more cost-based justification.)
And how much to just pay for 1 TB up front and I never have to pay for it again?
With steady decline in storage costs, that should be a sustainable business model. It gives you upfront capital.