When most people hear the word “investment,” they think of thousands of dollars, complicated portfolios, and high-stakes risk. But the truth is, some of the most powerful investments are small, consistent ones — aka micro investments. These are small bets with huge long-term returns, both financially and personally.
Here are 9 micro investments you can start today that will grow in value over time.

1. Books That Make You Smarter
Investing $10–$20 in the right book can change your mindset, improve your habits, or teach you a high-income skill. A single book on money, productivity, or self-discipline can be worth more than a college course.
Start With:
- The Psychology of Money by Morgan Housel
- Atomic Habits by James Clear
2. Courses Under $100
Online platforms like Udemy, Coursera, and Skillshare offer world-class education for cheap. Learn coding, copywriting, design, or even productivity hacks that can help you earn more or save time.
Pro Tip: Start with one specific skill that has a clear ROI.
3. Reusable Water Bottle
Sounds simple, but this one item can save you hundreds over the years and helps you drink more water — a micro health and wealth move in one.
4. Time-Saving Tech Tools
A $30 investment in a to-do list app, calendar sync tool, or automation software can save you dozens of hours over the course of a year. More time = more value.
Top Picks:
- Todoist
- Notion
- Zapier (free plan is powerful too)
5. High-Yield Savings Account
Even a small monthly contribution to a high-interest savings account or money market fund can grow significantly over a few years thanks to compounding.
Look For:
- No fees
- Interest rates over 4%
- Easy access with zero penalties
6. Quality Sleep Setup
A good pillow, blackout curtains, or white noise machine can dramatically improve your sleep quality — and your energy, productivity, and decision-making. Sleep is the ultimate force multiplier.
7. Index Fund Contributions
Even $10–$50 monthly into an S&P 500 index fund or ETF can compound into thousands over 20+ years. It’s the definition of “slow but sure” wealth building.
8. Better Food Habits
Spending an extra $10/week on whole, nutritious food vs. fast food may feel like a minor cost, but the health savings and energy boost over time are massive.
Start Small:
- Prep 2 healthy meals per week
- Cut one processed snack a day
9. Networking & Relationship Building
A $4 coffee meeting or a thoughtful LinkedIn message can turn into a job opportunity, mentorship, or client in the future. Invest in people early — the ROI is immeasurable.
Q: How much should I invest in micro investments monthly?
A: Even $50/month split across a few categories (books, savings, health, etc.) can lead to big results over time.
Q: Are micro investments better than large investments?
A: They’re often less risky and easier to sustain. Over time, they can outperform big one-time investments in impact.
Q: Which micro investment gives the fastest return?
A: Learning a monetizable skill (like copywriting, coding, or design) often brings the fastest ROI when applied.
Start with just one micro investment this week — whether it’s a book, a savings deposit, or a new tool. Your future self will thank you.