Commercial trips are great, taking care of everything, but it does come with a cost. You looked at buying your own raft, but it costs too much for the use it would get and you have nowhere to store it.
Jerod from Portland USA on the Clarence/Waiau Toa. This is with our 4.2m gear raft as a rowed rig.
We also have a cataraft for hire for those who have experience in rowing either a cataraft or raft.