How do you promote affiliate links without a blog or website?

 You can do it by utilizing free traffic sources and paid traffic sources. Free traffic sources require a ton of exertion, while paid traffic sources require less exertion yet will cost you cash to begin. 
Free Traffic Sources 
YouTube 
Udemy 
Slideshare 
Jabber 
Web-based media gatherings 
Discussions 
Visitor websites 
Pamphlets 
Pinterest 
Paid Traffic Sources 
Solo Ads 
Microsoft Ads 
Google Ads 
Instagram Shoutout 
Simply remember that both free and paid traffic sources are just viable on the off chance that you realize how to utilize them. In case you are an amateur, set aside an effort to see how to use them before you start. 
Making a good living internet-based takes tolerance and determination. Simply take as much time as necessary, figure out how to bring in cash online the legitimate way, and you'll have the option to bring in cash online effectively once you get everything rolling.