i have a glider named oops(hes about 4 years old now) i think they are geat pets but they take quite a bit of time and have some special needs, they do have a smell but if you keep there cages clean its not that bad, they are quite messy animals(at least mine is)they(males at least)pee on there hands and rub them on the things in there cage to mark there territory(and mine feels the need to mark allover me too!)and sent mark the cage with the gland on there head(and urine too)and if you dont cleen the cage and there toys they get gressy with it(witch is grose!)they can also make a mess with there food sence wild gliders feed on tree sap a lot of the solid food you feed them gets chewed up like gum untile all the juice/flaver is gone then they spit out the "pulp" mine dos it with some foods(gapes,drycatfood,rasions)but eats others(bugs,tofu,babyfood)mine loves nector made for lorikeets and the food i make for my starlings, and of corse MICE!