Sep 28, 2026 · 37 min
More ETFs can mean less diversification
How many ETFs do I actually need? I’m overwhelmed
The episode offers a practical way to decide whether an ETF portfolio’s added control justifies its overlap, costs and administrative burden.
- 1All-in-one ETFs can provide broad exposure and automatic rebalancing with less monitoring and tax administration.
- 2Owning more funds does not guarantee greater diversification, especially when ETFs contain many of the same underlying holdings.
- 3The right structure depends on asset allocation, goals, fees, overlap and how much ongoing management an investor will sustain.
Don't miss
Jessica recognizes that she may have implemented every strategy she learned about before deciding which level of complexity actually suited her.
The brief
Jessica and Glen examine a beginner portfolio built from seven ETFs and an individual stock, asking whether its variety reflects diversification or accumulated complexity.
Glen contrasts an all-in-one fund such as DHHF with DIY regional portfolios: one automates rebalancing and administration, while the other offers more control but demands ongoing decisions.
The central warning is that owning an all-in-one ETF alongside the individual funds inside it can create substantial overlap without adding meaningful diversification.
Jessica reassesses how quickly she moved from learning about core-and-satellite strategies to implementing them, while Glen argues that simplicity and consistency may better support her goals.
The episode closes with a checklist covering asset allocation, management preferences, overlap, fees, transaction costs and provider visibility before choosing an ETF structure.