Latest trends about consumers, purchase behaviors and more.

Internet stats and demographics galore.

Many reports are free.

Statistics from over 100 U.S. federal agencies.

Create demographic reports based on the 2000 U.S. Census. For 2010 data, you'll need to use the pay version Demographics Now. See the next listing.

This is the pay-version of Free Demographics and works with 2010 census data. Can be a little spendy, depending on what you're looking for. If you have the time, check the free resources first.

Offers mailing lists and list management tools for sale, but also lots of free info under "Lookups".

U.S. demographics and psychographics by zip code.

Offers all types of low-cost reports, including the Annual Consumer Complaint Survey Report.

Lots of free, valuable research about Internet users.

Data on the U.S. population.

Starts at $50 for 2 reports.

How to conduct competitive market analysis on a shoestring budget

In-depth article about Web business models. Figure out what makes your business tick and how you'll make money.

Business reference and company information: business plans, encyclopedia of major marketing campaigns, encyclopedia of small business, company histories, Oxford Dictionary of Economics, and more, from Gale Research.

Provides an easy way to look up patent information and authors.

Check ownership of a domain name.

Up-to-date info and analysis on VC Investments in the U.S. from PricewaterhouseCoopers and the National Venture Capital Association.

Think you have a great idea or name for a product? See if someone else did too.

Selling a product online? Check this extensive list of comparison shopping sites to find competitive prices.