In this Australian Investors Podcast episode, Owen Rask sits down with Marc Jocum from Global X for episode five of the portfolio construction series, this time taking an inversion approach: instead of focusing on the perfect ETF portfolio, they unpack what not to do. Marc explains why investors so often start in the wrong place by chasing trailing returns in growth ETFs or headline yield in income ETFs. He argues that the better starting point is always what sits under the hood: the earnings growth, the income source, the concentration, the index methodology and the actual role the ETF should play inside a broader portfolio. The conversation also explores the practical mistakes investors and even sophisticated allocators keep making, including overlap, paying too much in fees, misunderstanding spreads and liquidity, ignoring tracking error, and mistaking a strong short-term narrative for a durable thematic opportunity. Marc also explains why thematic ETFs get scrutinised so heavily and how to think more clearly about public market depth, commercial adoption, government support and longevity before taking a view. They finish by breaking down the few times it really can make sense to sell an ETF, including when your thesis changes, when a life event forces the decision, or when rebalancing is needed. If you want a sharper checklist for avoiding avoidable ETF mistakes, this episode is a practical one to keep handy. Episode resources – Speak with the Rask Advice team – Ask a question (select the Investors podcast) Show partner resources – ETF investor? Go beyond ordinary with Global X: View all funds – Join Pearler using the code "RASKSWITCH" and get $32 of Pearler Credit – Whatever comes next for your business, power it with Stripe Rask resources – All services – Financial Planning – Invest with us – Access Show Notes – Ask a question – We love feedback! Follow us on social media – Instagram: @rask.invest – TikTok: @rask.invest Disclaimer The information in this episode is provided by The Rask Group Pty Ltd and contains general financial product advice only. It does not take into account your objectives, financial situation or needs. Before acting, consider whether the information is appropriate for you and consider seeking personal advice from a licensed financial adviser. You can read our Financial Services Guide at www.rask.com.au/fsg. If a financial product is mentioned, consider the relevant PDS and TMD, where applicable, before making any financial decision. Past performance is not a reliable indicator of future performance. Returns are not guaranteed and capital may be at risk. The Rask Group Pty Ltd is a Corporate Authorised Representative No. 1280930 of Rask Licensing Pty Ltd, AFSL 563 907. Learn more about your ad choices. Visit megaphone.fm/adchoices

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