(g) You will not offer any person or entity any consideration, reward, or incentive (including any money, rebate, discount, points, donation to charity or other organization, or other benefit) for using Special Links. For example, you cannot implement any “rewards” or loyalty program that incentivizes persons or entities to visit an Amazon Site via your Special Links.
Another problem with the hit and run model is it’s not very stable. You have to keep spending money on advertising or the sales stop. You risk the chance of Google slapping your landing page because of a low quality score, you may run out of money tweaking the ads/keywords/landing pages, competition can drive up bids to the point where you can’t make a profit, the advertiser may pull the offer, etc.
Being an online freelance writer is one type of skill that you can use to make money online. But there are a wide variety of other skills that can be used in a similar manner. Every website and blog on the Internet needs technical skills. This can include graphic design, web design, search engine optimization, social media marketing and promotion, content editing, and so much more.
The basic strategy is this: Post interesting content consistently with relevant hashtags. Use a service like Hashtagify for hashtag ideas. Follow users in your niche and engage with their posts. I also know a couple of people who grew their Instagram accounts quickly solely depending on shoutouts from influencers. You can use a service like ShoutCart for that or contact influencers directly (most of them list their email addresses in their bios).