Here are links to some blogs on beading and jewelry business.
Bead Nerd - nice blog about beading, the bead business.
Katie's Beading Blog - Written by Katie Hacker, author of 15 books about beading and she also teaches on the PBS Show, Beads, Baubles and Jewels.
Jewelry Business Blog - Written by Rena Klingenberg, jewelry artist, author, and publisher of information on making and selling jewelry
Jean Campbell - writer, jewelry designer, teacher, blogging about all things bead.
The Bead Cult Blog - Blog about beads, beading supplies, jewelry business, etc.
Peggy Li - fashion hand-made jewelry designer
Beading Blog - Patterns, video. This may be connected to several beading magazines but I can't find a publisher name on the site.
Shaktipaj Deisgns - offers free tutorials
Scoutie Girl - Interesting blogs about handmade crafts in general.
The Beading Gem's Journal - interesting blog showcasing designers and techniques
Softflex Girl - Sara from the Soft Flex Company blogs about using Soft Flex beading wire.
Funky Imaginings - Highlights Etsy sellers in her blog.
All Things Metal Clay Blog - just what the name says. :)