Lisa Green writes for NerdWallet. Email: lgreen@nerdwallet.com. Twitter: @lisaccgreen. Sean Pyles writes for NerdWallet. Email: spyles@nerdwallet.com. Twitter: @SeanPyles. Sara Rathner writes for NerdWallet. Email: srathner@nerdwallet.com. Twitter: @sarakrathner. The article Smart Money Podcast: Unlock Life Insurance Secrets: Investing, Variable Policies, and Financial Growth originally appeared on NerdWallet.