Many of my readers have started proofreading from their iPads, scanning legal documents for court reporters as a result of the Proofread Anywhere eCourse I recommend. You can read some of their testimonials in the comments on this post. They offer a 7-day intro course free so you can decide if that line of work is right for you before you pursue the training.
Because the fee is so small but the task takes so little time, the strategy is to do as many of them as possible. However, be sure to read the fine print because many of these companies have a minimum payout, meaning that if you earn $8.55 doing 20 micro jobs, you may have to wait until you’ve earned as much as $50 to actually get your money. Read more about some of the pitfalls of this kind of work.