Why Smart Investors Never Sell — The BLT Strategy That Cuts Your Tax Bill Legally (2026 Guide) If you have heard the term BLT theory thrown around in investing circles and wondered what it actually means — or whether it applies to someone like you — this post breaks it down step by step. We cover what each part of the strategy means, how to apply the mindset as an everyday investor, and the most practical tax-efficient investing moves you can make right now regardless of your income level. Quick Summary: BLT stands for Buy, Borrow, Transfer — a three-step wealth strategy used by the ultra-wealthy to build assets, access cash without triggering taxes, and pass wealth to heirs efficiently. The principles behind it are available to everyday investors too. Pair it with smart tax-location strategy, loss harvesting, and proper use of tax-advantaged accounts, and you have a complete long-term wealth playbook. Why Most People Have Never Heard of BLT Theory There is a common beli...