From Design sector to Affiliate Marketing

[Graphic Solo]

Hi,

Hope everyone is doing well. This is my first post and I am totally new here. I am working Graphic Design area more than 5+ years. Besides my design business, I want to build passive income source. Give your best suggestion how I can get started. Because of design experience I have, should I start affiliate marketing about Design course from Udemy, Skillshare and design templates from envato, creative market etc? Which traffic method should I choose for it? And overall give me some