Writing good advertising sales copy (copywriting) is the other important skill for internet marketers. The good news is that when it comes to affiliate marketing, many vendors will provide you with copy to use for your blog posts, websites ads, etc. They'll give you the emails to send, the banner ads to display, and even posts you can use on social media (such as Facebook, Twitter, LinkedIn, etc.).
Drive for Uber or Lyft: If you're in a locale where you can find Uber or Lyft (or even one of the many competitors around the world such as China's Didi), you could easily make a respectable income. The hours are flexible and you can work as you see fit, making it perfect even if you currently have full-time employment but are looking to make some money on the side.
Find a profitable niche. Starting with your interests, write down as many niche ideas as you can. Think about topics people might search online. Ideas include passions (like surfing or body building), fears (like spiders or speaking in front of crowds) and problems (like getting out of debt). Do keyword research to see it others are interested in the topic. Find out if a domain name is available that matches the keyword 100 percent. 
Working as a freelancer is a great way to make money online from the comfort of your own home. The beauty of freelancing is that you can tailor it to suit your needs. You can freelance for a couple of hours a week in the evenings to help save up for a holiday or some much needed home improvements. Or carve out a full-time job for yourself, giving you a more satisfying work-life balance and enabling you to do the simpler things in life like taking the kids to school. With so many jobs available online, freelancing is becoming more and more popular.
If you have pop-ups and optins on every page, I would have to think that it would be a lot harder to convince someone to link to it. Especially since the pages where you have your optins (and probably receive the most traffic) are probably the same pages that you have your best content on as well that you'd be hoping to pitch in your outreach campaign.