With Sharesies and Kernel both recently launching keenly priced world share funds, the debate over the lowest-cost world share fund available in PIE format has been reignited.

I've seen people on social media making themselves dizzy going back and forth trying to decide which option is best. At the end of the day, the difference is minimal.

The short answer: across three 20-year scenarios, the gap between the best and worst of these funds is […..]