Imagine if the fingerprint scanner on your smartphone was an extra $50 to unlock? Or quick charge being an extra $75?
Or not including a charger, or doing away with useful features like removable batteries or 1/8" Jack's so you have to buy new earbuds... shit
Elon is pulling this shit because it will probably work
Also... what happens if the heater breaks? Are you still charged for fixing it or is that included in the subscription?