be much of a muchness
slang To be excessively alike. I asked the realtor to find an older home with some charm and character because the new construction houses in this neighborhood are all much of a muchness to me.
be ˌmuch of a ˈmuchness
be very similar (especially of people or things which are not very good): It’s hard to choose between them — they’re all much of a muchness.All the restaurants round here are much of a muchness.