The following are links to some great articles about the art world, art market and art buyers:
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