Same rules applies when it comes to QT, if you are buying a hognose under 50 grams I will recommend a 5 gallons tank with aspen or eco earth, they need to be able to dig and bury themselves in the substrate. I would skip the hides if you allow them do do what they naturally do (burying themselves) they will not use them.
Those guys are very small and people often do not realize are small they are, 2 things to make sure of
Make sure the animal feeds on uncented
Make sure they animal has ate on F/T at least 5 to 10 times
Taking 1 or 2 F/T does not make it an animal that is switch and the last thing you want to do is try to find and than drive to a store twice a week for pinkies or fuzzies.