There are several legitimate ways to make money online, depending on your skills, interests, and the amount of time you can invest. Here are some popular options:

1. Freelancing
   - Platforms: Upwork, Fiverr, Freelancer
   - Skills Needed: Writing, graphic design, programming, digital marketing, etc.
   - How to Start: Create a profile showcasing your skills and start bidding on projects.

2. Online Tutoring
   - Platforms: VIPKid, Chegg Tutors, Tutor.com
   - Skills Needed: Expertise in a subject or language.
   - How to Start: Sign up and create a profile, then begin teaching students.

3. Affiliate Marketing
   - How It Works: Promote products and earn a commission for each sale made through your referral link.
   - Platforms: Amazon Associates, ShareASale, ClickBank.
   - How to Start: Build a blog or social media presence to share your affiliate links.

4. Selling Products
   - E-commerce: Create an online store using Shopify or Etsy.
   - Dropshipping: Sell products without holding inventory through platforms like Oberlo.
   - How to Start: Research products, set up your store, and market your offerings.

5. Content Creation
   - Platforms: YouTube, TikTok, Instagram.
   - Skills Needed: Creativity and consistency in content production.
   - How to Start: Create engaging content and monetize through ads, sponsorships, or merchandise.

6. Online Surveys and Market Research
   - Platforms: Swagbucks, Survey Junkie, Vindale Research.
   - How It Works: Get paid for sharing your opinions on various products and services.
   - How to Start: Sign up and start taking surveys for rewards or cash.

7. Stock Photography or Videography
   - Platforms: Shutterstock, Adobe Stock, Getty Images.
   - Skills Needed: Photography or videography skills.
   - How to Start: Upload your photos/videos and earn royalties when they are purchased.

8. Blogging
   - How It Works: Create content on a specific niche and monetize through ads, affiliate marketing, or sponsored posts.
   - How to Start: Choose a niche, set up a blog using WordPress or another platform, and start creating content.

9. Virtual Assistant
   - Services Offered: Administrative support, social media management, customer service.
   - How to Start: Offer your services on freelancing platforms or directly to businesses.

10. Online Courses and E-books
   - Skills Needed: Expertise in a specific area.
   - How to Start: Create a course on platforms like Udemy or Teachable, or write an e-book and sell it on Amazon Kindle.

Tips for Success:
Research Your Niche: Understand the market demand for your skills or products.
Build a Personal Brand: Establish an online presence to attract clients or customers.
Stay Consistent: Success often requires persistence and regular effort.
Network: Connect with others in your field for opportunities and collaborations.

Always be cautious of scams and do thorough research before committing to any online money-making opportunity.