Q6 well it really up to the mother because if she doesn't want to breed she will pull them out and eat them also u have to keep this in mind sometimes female never want to so if they eat their first and second set on jeoys it best just to neutral the male because it will just sad to keep breeding them also I would stop breeding them 4 or 5 years old but that me.but here the info to your answer look up breeding sugar gliders?what is to old it on glider gossip
Q7 well it depends on the gliders heath
Q8 well it will be hard if they are already a colony because most of the times they will never accept her but you can get 3 female before the male.
Q9 I don't really know what u are asking in 9 if can tell me in a different way.
Q10 u can keep the female Joeys that the breeding pair have had not the male joeys because the will try to breed with his sister unless u fix the males that they had.in the wild the males would leave the colony to find a female that also left too but I would think sometimes inbreeding would happen but the females would pull out the joeys if they had any heath problems the seem to know.but u should look up what can go wrong in Breeding it sad but u must know if u are going to breed them www.glidernursery.com/breeding.html
Or just look up what can go wrong in sugar glider breeding site should say breeding glider Nursey