Every business goes through a search process for money to start. For some it's the wild heights of venture capital, but for most it comprises going through the traditional list:

Bank Loan

Financial Institution Loan

Personal/Home equity loan

Friends/Family loans

Credit cards

Crowd funding

The bank and institutional loans tend to be complicated by a requirement for a minimum time in business and for collateral, so many businesses dig further down the list.

Additional articles will cover each of these sources.