Ad Writing Newsletter
The Internet Ad Writing Ezine teaches how to write Internet ads that get results.
http://members.visi.net/~novasof/Howtowrite.html

The Write Stuff
Tips and tricks for copywriters and would be writers.
http://www.topcities.com/Business/writestuff/

Before & After Makeovers
Learn advanced copywriting skills free by studying 8 before-and-after makeovers of a Web page, sales letter, brochure, media release, seminar flyer, self-introductions, partnership proposal and business bios.
http://www.yudkin.com/marketing.htm

How to Write Persuasive Advertisements
Overview of persuasion in copywriting, marketing, and sales. Includes "power words" and insights into the psychology of advertising.
http://www.angelfire.com/ny2/optimalstrategies/copywriting.html

Pandecta Magazine
A guide to writing effective sales copy specifically for the Internet audience.
http://pandecta.com/copy.html

How To Get Started As A Copywriter Or Business Writer
Article by Jim Heath just for people who want to know how to become copywriters or business writers.
http://www.viacorp.com/writerFAQ.html/

CornerBarPR
Articles, news, contacts and chat for PR professionals.
http://www.cornerbarpr.com/

Copywriting Site
Tips and information about writing copy that sells.
http://noriainternational.com/copywritingsite/

Nick Usborne
Online copywriting articles and tips to help improve online customer experience. From Nick Usborne, author, speaker, and customer experience consultant.
http://www.nickusborne.com/articles.htm

Excess Voice
Nick Usborne's newsletter, addressing the needs and interests of online copywriters, content writers and others responsible for writing Web pages, newsletters and emails.
http://www.excessvoice.com

WAHM Copywriter
Tutorial-type site. Many articles about copywriting.
http://www.wahmcopywriter.com/

Inklings
Walter Burek offers how-to articles and tips, essays about copywriting, copywriters and advertising.
http://www.walterburek.info/

Copywriter Underground
Modern marketing strategies for copywrters and businesses.
http://copywriterunderground.com/

Copywriting Basics 101
A starter resource site for budding copywriters.
http://copywritingbasics101.com