In the end, it depends on the use case. Someone stated that they need it for a beach permit - ok, this fits well. Adventuring on true off-road trails? I would want a full-sized spare, not a compact. My "adventures" are going up some forest service roads to fish or camp, but I'm not that far off...
Nope. I can think of better places to use the $750. I haven't had to change a tire in over 40 years, so tire rot has been an issue. Tires are much better engineered than they were when spares were commonplace.
This demonstrates the technical immaturity of these systems. Only v3, 3.5, and v4 chargers are compatible with non-Tesla vehicles. Basically, anything with a charging rate of 250 kW or greater.