What are the tax changes I need to know about when filing my individual return for 2012?

Can I claim child tax credit for my son born on December 31?

Are payday loans meant to help people in times of emergency or just to trap them into a cycle of debt?

What is a Future Delphi credit scoring and how does it work?

Which washer/dryer will qualify for an energy-efficient tax credit?

Is a credit card statement considered a viable replacement of a receipt for income tax documentation of expenses or are credit card slips still required?

What is the best way to become a financial advisor?

I am doing freelancing for two different companies and I have several questions. I deliver for them digital files, such as research, PowerPoints or excel files. Do I need to add sales tax to the invoices? When and how do I file taxes? I have never worked before in California and just started working in October last year.