Agreed. I approached from a "too little, too late" thought, particularly for the one already there, but avoiding it entirely on the 3rd until QT is possible is definitely the ideal way unless you find an "off-site" QT location where there are not other reptiles (i.e. friends/family) at risk. Boarding somewhere like a pet shop won't work since there are often other reptiles and new disease vectors in and out all the time.
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