Am I out of my mind or on the right path.

I am honing 1 of 3 I received today. An Apart which is pretty heft in weight for its size.

I am grid lapping at each level with wet/dry. I'm currently just finishing up 600 grit and my arms are falling off.

180 grit (grid lapped twice)
220 grit (grid lapped twice)
440 grit (grid lapped twice)
600 grit (grid lapped twice)
1000 grit (yet to go)
2000 grit (yet to go)
2500 grit (yet to go)

So, am I on the right path or overdoing it or what?