Learn investing fundamentals step by step

Complete this island to understand core investing concepts, build confidence, and unlock rewards as you progress.

The true cost of investing fees

1 of 10 topics

A cheerful bull character walks along a forest path carrying a sack of coins, while two small shadow creatures sneak behind trying to snatch gold pieces.

Why small fees matter more than you think


Every percent you pay in fees is one percent you don’t invest. And over time, that adds up fast.


This skill breaks down what fees actually cost, how they’re hidden, and how to avoid the ones that quietly eat into your returns. From fund expenses to trading costs, you’ll learn how to cut the noise and focus on what really compounds.


Because cutting friction isn't just about saving money. It's about unlocking more power for your long-term investing strategy.


You'll learn:


  1. How to identify investing fees like spreads, commissions, and fund charges that silently reduce your gains
  2. How to compare different platforms and fee models without getting lost in fine print
  3. How to minimize long-term drag by choosing efficient, transparent options for your strategy