This can be expensive. There is daily cage and litter box cleaning, weekly grooming and ferret laundry to do. Not to mention daily meds and force feeding if the ferret is sick. Ferrets make wonderful playmates but need a supervised introduction. Think about it.
Ferrets can become frightened and nip when manhandled by children.
If there are children in the household are they old enough to understand the handling of the ferret. Ferrets are delicate and because of their body structure can easily receive spinal injuries if not handled properly. No pet should be allowed around a baby without supervision. It is up to the parent to decide at what age their child is responsible enough to handle owning a pet but I would suggest this be given very serious consideration when it come to the ownership of a ferret. Ferrets require responsible ownership, if that is provided then everyone human and ferret alike will be happy.