Nora Carol Photography/Getty Images Business Insider has spoken to dozens of financially independent investors. As we head into 2026, BI rounded up their top wealth-building advice. Tips include tracking net worth, house hacking, and leveraging income streams. As economic uncertainty and market volatility reshaped Americans' views on money in 2025, one goal remained constant for many: achieving financial independence. Business Insider has spoken with dozens of investors who've built wealth in ver ...