A lucrative online side hustle you can start for free is affiliate marketing. This model allows you to earn commissions by promoting other companies' products or services without any upfront cost for inventory or a store. While earning nearly $3,000 per week is a high target and not typical for a beginner, it is achievable over time by scaling your efforts.

How It Works
Join an Affiliate Program: Sign up for an affiliate network like Amazon Associates, ClickBank, or a company's direct program. These programs provide you with a unique affiliate link.

Choose a Niche: To succeed, you need to focus on a specific topic you know well. This could be anything from technology gadgets to fitness equipment or home decor.

Create Content: The key is to produce valuable content that helps people. This can be in the form of a blog, a YouTube channel, social media posts, or a podcast. Your content should naturally recommend products relevant to your audience.

Monetize with Links: Place your unique affiliate links within your content. When a user clicks your link and makes a purchase, you earn a commission on the sale.

Scaling and High-Earning Potential
To reach a high income, you need to scale your traffic and conversions.

Search Engine Optimization (SEO): Create content that ranks high in Google and other search engines. This provides a steady stream of free, passive traffic.

Build an Audience: Focus on building a loyal audience on a platform you own, such as an email list, which is one of the most valuable assets in affiliate marketing.

Use Diverse Channels: Promote your content across multiple platforms, including social media, forums, and communities.

Focus on High-Ticket Products: To earn more, promote products with higher commission rates or higher price points.

Easiest Digital Side Hustle you can start with $0

This video provides a guide to starting an online side hustle with no upfront costs, which is highly relevant to your question.

Easiest Digital Side Hustle you can start with $0 (Earn $2,366/week) - YouTube

Molly Keyser · 75K views