this is kinda funny....its actually pretty cheap at that rate. If were to rent a Range Rover from LAX Hertz it would put you back at the rate of $230.00 a day (all in) and of course you get the joy of paying for fuel. I wouldn't begin to consider renting out my P100DX to a stranger without at least that amount plus a deposit; even then, its not really worth it. In fact, if Tesla catches you, they can take away any free Supercharging Account status (taxis and rentals are excluded from this feature).
Given the price/value of these cars, you should be comparing them to an exotic; not because I love the brand, but because thats the reality of any comparison. They cost more than a Ferrari Spyder 430, have better performance than, well, any exotic on the market, and they are next to free to operate (if you are planning on a hotel visit, usually the hotel will allow you to charge for free).
A P100DX can be compared to an exotic. Not a Model 3 or an X 75. And X75s are priced like an exotic in Turo. I also see the fuel savings being largely offset by extra Supercharging time, so that's a wash.