It depends on your area/ demand really. If you have people that want them you can sell them. If not you are stuck housing and caring for them. Either way you need to have the means to house and care for them for a least a few meals before you should sell them. Usually 1-2 months.
If you are worried you might get stuck with them you shouldn't breed them because there is always a chance that would happen.
Other option is find someone who will take all the babies before you even breed them. I just breed for the experience so I only do it if I have someone to wholesale the clutch to so I know I won't get stuck with any I don't want. Also you could just keep the one or two eggs you are willing to keep yourself from a clutch and not hatch out the rest of them.
But if you live in an area that you could sell them off then you shouldn't have anything to worry about but again you do need to care for them for a bit before you actually sell them so keep that in mind.