
There are real reasons to overcomplicate your portfolio. Until you can name yours, one global tracker plus a monthly direct debit will beat almost everything else you can build.
Belt and braces vs the alternatives
| Approach | Funds | Annual cost | Decisions |
|---|---|---|---|
| One tracker + DCA (belt and braces) | 1 | ~0.13-0.22% | None after setup |
| Two-fund (global + bonds) | 2 | ~0.15% | Equity/bond split |
| Three-fund Boglehead | 3 | ~0.18% | Bond + home bias |
| Eight-fund "diversified" | 8+ | 0.30-0.60% | Tilts, rebalancing |
| Actively managed | 1+ | 0.75-1.5% | Manager picks quarterly |
The simplest portfolio that holds up: one global tracker plus a monthly direct debit. Belt and braces.
Key takeaways
Belt and braces investing: one global tracker plus a monthly direct debit is the safest, simplest, hardest-to-mess-up default for UK accumulators.
A single FTSE All-World or MSCI ACWI tracker already holds 3,500-4,500 companies in 47 countries. Adding more funds rarely adds more diversification.
Pound-cost averaging via direct debit removes the single biggest cause of retail underperformance: trying to time when to buy.
Yes, there are real reasons to overcomplicate it: bonds near retirement, a home-bias tilt, a value tilt in late-cycle conditions. But do not complicate it until you can name your specific reason. Until then, keep it simple.