Both VE and Spyder Robotics (Herpstat) have multi probe units.
With that said, I see a LOT of threads discussing the expense of thermostats. What I will say on the matter is this: A quality thermostat should be factored in to the snake budget from DAY ONE. It is not an aside to be considered later.
It is good that you are thinking ahead for a multi-probe model. A 2 probe one will run you around $200 or less.
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