-you earn depending on the time you invest writing
-sometimes you write about a niche that you're good at
-you can pick any writing project in the pool, very convenient
-you don't need to market yourself as a freelance anymore
-you work home-based!
Desventajas
-they mostly pay VERY low for topics that take a LOT of time to research
-there is no relationship between the editors and the writers, they simply give isolated feedback per project you submit