This can either be done locally or through an online service like Fiverr. Resumes are something that people can be very insecure and self-conscious about, which means there is always a demand for services that will help spruce them up. Holly Hanna from The Work at Home Woman wrote a really useful article on How to Make Money from Home with Resume Writing.
As long as there is still the written word, there will always be editors. Freelance editing and proofreading not only pays a decent hourly wage, it also gives you the chance to read about potentially interesting topics too. What's more, pursuing freelance writing & editing as a business idea can afford you a lifestyle that lets you travel the world as a digital nomad. You can find lots of job postings from companies and individuals in need of writing, proofreading, and editing services on Contena, which makes this a high-demand opportunity to make money online.
And while it will take time to build up a big-enough audience to attract advertisers and other ways to make extra income from your podcast, the opportunity is there. John Lee Dumas interviews entrepreneurs seven days a week for his podcast Entrepreneur on Fire and now makes more than $200,000 a month from it. In fact, John publishes all his income online and showed that he’s made almost $13 million since launching in 2012.