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.

What exactly is accounts receivable financing and factoring and how can it help a business?

Does a nonprofit (not for profit) organization need to have an independent review and/or audit of its financial statements?

Are you looking Business Setup company in Dubai?

Has anyone ever used invoice financing for their business? How was the experience and what benefits did you get?

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

What is the best way to save credit card surcharges?