eytonxav
Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Certainly, there's no limit to the number of funds you can own. If you want to slice and dice it might even be sensible. But most people with 20 funds have arrived there very "organically" and will have significant duplication of asset classes. No compensation from VG, just a happy customer. The tax efficiency point is still valid.
I am fine with my portfolio composition, overlap and cost. As to PRPFX, I view it as an alternative investment as it tends to do reasonably well under most market conditions.
If you choose to place your bets using a Vanguard indexed approach, great, but I have decided on using a combination of indexes, active MFs, individual stocks and different managers, plus several alt investments. Also, I am a singles hitter, not trying to hit it out of the park, and preservation is more important to me than growth.