If you’re a marketer, you already have skills that can make you money outside of your 9–5. In 2025, digital side hustles are more accessible than ever. You don’t need a huge following, fancy tools, or even a website to start. With the right idea, you can use your marketing skills to build a new income stream this year.
Here are the best digital side hustles for marketers in 2025.
1. Sell Digital Templates
One of the fastest ways to make money is by creating templates that save other people time. Think social media content packs, ad copy templates, landing page outlines, or email swipe files.
Marketers already know what works, so packaging that into a plug-and-play product is valuable. You can design templates in Canva or Google Docs and sell them on platforms like Gumroad, Etsy, or your own landing page. The work is upfront, but once the template is done, it becomes a passive income stream.
2. Run UGC Campaigns for Brands
Brands in 2025 want authentic content, not polished ads. That’s why user-generated content (UGC) is in high demand. If you can coordinate UGC creators and turn their content into campaigns, brands will pay you well.
You don’t need to be the one making the videos. Instead, act as the connector. Find UGC creators, manage deliverables, and run the campaigns. Marketers have an edge here because you already understand messaging, funnels, and how content converts.
3. Build and Sell Mini-Courses
If you have experience in ads, SEO, or copywriting, you can package that knowledge into a short course. Platforms like Kajabi, Teachable, and Skool make it easy to host and sell without needing technical skills.
Built-in course and membership site management Storage and Bandwidth:
Starting from $89/month
Get 30-Day Free Trial
Email marketing and automation tools
Advanced analytics to track user engagement
Unlimited hosting
There are no specific limits on bandwidth
Extras:
Marketing automation tools
Webinar and event tools
Mini-courses are great because they don’t take months to build. A one-hour workshop broken into modules can sell for $50 to $200. If you build an email list, this becomes a scalable product that works on autopilot.
4. Affiliate Marketing with Content
Affiliate marketing is still one of the best digital side hustles in 2025. As a marketer, you already know how to write persuasive content. That skill translates perfectly to affiliate sales. You can create blog posts, YouTube videos, or email guides that review or recommend tools you already use. Add your affiliate links, and every time someone signs up, you earn a commission. The key is choosing products with recurring payouts, like SaaS tools. This way, your income grows month after month without extra effort.
5. Email Newsletter Business
Email is the most underrated side hustle right now. You don’t need a big audience to start, just a clear niche and valuable insights. Pick a focus, like growth hacks, ad strategies, or personal branding tips. Use tools like Beehiiv or Kit to set up your newsletter. Monetization comes from sponsorships, affiliate links, or selling your own products down the line.
A newsletter compounds over time. The earlier you start, the faster you can build a loyal audience that pays you directly.
Starting at $43/month (billed annually)
Get 30-day free trial and save 20% for the first 3 months
Key Features
User-friendly interface for project management
Collaborative workspace for team members
Time tracking and invoicing capabilities
Why We Recommend It
Streamlines project management processes up to 10,000 subscribers
Facilitates effective collaboration among team members
Helps track project progress and billable hours accurately
Pros & Cons
- Intuitive interface
- Great for small to medium-sized teams
- Offers invoicing features
- It may need more advanced project management functionalities
- Not suitable for large enterprises with complex project needs
Starting at $25/month
14 day free trial
Key Features
Email marketing automation for creators and small businesses
Customizable email templates and landing pages
Subscriber management with advanced segmentation and tagging
Why We Recommend It
Simplifies email marketing with easy automation tools designed for creators and small businesses
Provides customizable templates and landing pages to enhance engagement
Helps organize and target subscribers with advanced segmentation for more effective campaigns
Pros & Cons
- User-friendly platform with powerful automation features
- Great for creators and small businesses
- Flexible subscriber management tools for targeted campaigns
- Limited advanced features compared to some other email marketing platforms
- Higher pricing for larger email lists or advanced plans
6. Freelance Media Buying
If you already run ads, you can turn that skill into a side hustle fast. Many small businesses want someone to handle Facebook, Instagram, or TikTok ads, but can’t afford an agency.
Offer freelance packages where you manage their campaigns. Since you already know the platforms, you can charge a premium for your expertise. Start with one or two clients and scale from there.
7. Build Notion or Airtable Systems
Organization tools are booming, and people pay for done-for-you systems. You can create Notion dashboards for content planning, client management, or ad tracking. Marketers know workflows, so building these systems comes naturally. You can sell them as standalone products or custom-build them for clients. Either way, it’s a high-demand niche in 2025.
Final Thoughts
The best side hustles in 2025 aren’t about chasing trends. They’re about taking the skills you already have and packaging them in a way people will pay for.
- Templates turn your knowledge into passive income.
- UGC campaigns and freelance media buying let you monetize your skills directly.
- Mini-courses, newsletters, and affiliate content create scalable income streams.
- Notion and Airtable systems help you productize workflows.
Pick one and start small. The sooner you launch, the sooner you’ll prove to yourself that you can make money outside your job and that confidence will fuel everything else.