The following are links to some great articles about the art world, art market and art buyers:
Here is a great article from Renee Phillips on why you should have an Art Blog.
Share the “why” behind your artwork. Confidently talk about your artwork to advance your career and make more sales...
Here is a list of great websites for artists. It's from drawprintacademy.com
From the artsyshark.com website, and article about working with interior designers.
A great article on photographing your artwork form creativefounders.com