facebook groups
make sure you include
male/female neutered/intact
location
pics
whatever is included
whatever is sold separately
and how much your asking for.
https://www.facebook.com/groups/956786344360103/
https://www.facebook.com/groups/sugargliderguardians/
There are more glider groups than that, but some are specific by state which are really good to post in as well to make picking them up easier.
if you would like to provide me with your location i can post more groups for you