And then, you have people like me. I have 5 JB 4x8s. Each is set up with two players, a break cue, and a jump cue. Also included are the requisite chalk, extensions, a cue holder, etc.
They are split up by joint pin. One 3/8x10, one radial, and so on. The main player in each bag is very similar to the rest of the main players. Same weight and balance point. Different wraps, but all have a 12.9 Revo or two to go with it. I recently got an EE wrap on the player I use the most and I will likely upgrade a few cues to that in the near future.
I shoot with the 3/8x10 bag for leagues, but switch it up once in a while. Roughly half of the ~70 cues I own are that pin.