Graphic design services are highly paid and can be done anywhere as long as the designer has the tools. A laptop and internet connection are all there is to it.
Many people who started and grew their blogs are already earning so much these days. However, if you want to reach where your blog income can replace your full-time income, you must also consider it their business and not just a hobby.
There are a lot of websites and blogs, and they do need writers to publish regular content. As long as the applicants know how to write well and provide writing samples that impress the prospective client, they are good.