As robo-advisors go, Betterment is one of the best in my opinion. It offers excellent features (e.g., automatic rebalancing, tax loss harvesting, excellent planning tools) at a reasonable price. But how does Betterment's Core Portfolio of 10 ETFs stack up to the simple, humble 3-fund portfolio?We put both to the test in this video.Join the newsletter: https://robberger.com/newsletter/?utm...