Day 68 Week 10 Day 5: The Expense Ratio Is the Only Number That Matters Fees and Costs When choosing a fund, ignore past returns. Look at one number: the expense ratio. Lower is almost always better.... When choosing a fund, ignore past returns. Look at one number: the expense ratio. Lower is almost always better. Lesson Locked This Lesson Is For Paid Subscribers Subscribe to access the full lesson, commentary, and your day-by-day course progression. Start Learning - $9.99/month View Full Syllabus ← Previous Lesson Back to Browse Next Lesson →