These links provide a wealth of information:
Econsumer.gov — report complaints about online and related transactions with foreign companies.
Federal Communications Commission — Consumer and Government Affairs Bureau (questions about phones, TV, junk faxes, etc.)
The United States Securities and Exchange Commission, answers questions, analyze complaints, seek informal resolution of investors’ problems
Investor.gov The SEC’s Office of Investor Education and Advocacy is dedicated to serving the needs of individual investors
MyMoney.gov This website is brought to you by 22 Federal entities that work on improving financial literacy and education. It is a central place for unbiased, reliable information and materials on financial topics of interest to you.