8 Sure-Fire Ways Freelance Designers Can Earn Passive Income | Spyre Studios
http://spyrestudios.com/passive-income/

Why the hell wouldn’t you want to make some money on the side while you’re building your freelance business?

5 Passive Income Opportunities for Freelancers

Sell Stock Work, Create Niche Resources, Develop Merchandise, Sell Subscriptions, and Offer Side Items to Your Current Clients.