Todjaeger
Potstirrer
Any on-sale of the M113's would need US approval due to FMS and ITARS. There might also be some Aussie Tiger kit this applies to as well, since Australia integrated the Hellfire onto the Tiger ARH.Selling them whole to another user would have to be approved by Australia, France and Germany you would think and any specific equipment supplied by other Countries would have to be approved by that Country. Being a multi National project may make it difficult to sell them off.
Talking of M-113s the upgraded Australian ones may be another item that might just attract a buyer or 2 with the large number of poorer Countries in the world still operating them for the foreseeable future. According to Wikipedia* there are currently 46 users.
*Treated as a Ball Park figure at best
Assuming all the approvals could be gotten out of the way for a sale of the Tigers, it is sort of questionable in my mind just who would really be all that interested in them. In terms of flightworthy status I suspect they would be fine, but from an operational or operationally useful standpoint it would be questionable. As is fairly typical with Australian kit, there is a strong bespoke element which I believe is mostly in the sensors, avionics, and weapon fitouts. That in turn would mean that either any purchasing operator would need to continue using the ex-Aussie Tigers 'as is' or have them undergo some sort of SLEP/MLU to change the helicopter configuration to one they either are already using, or would be more suitable for the purchasing user's needs.
Given what I can recall of the projected costs to carry out needed upgrades to the Aussie Tigers if they were to be retained in service (as opposed to replaced by a new combat helicopter purchase) I am not certain that there would really be much value in a sale.