Read the book "Never Get a "Real" Job: How to Dump Your Boss, Build a Business and Not Go Broke" by Scott Gerber
Summarising it in the following bite-size notes:
Running a Start-up
A One-Paragraph Start-Up Plan
How do you Partner?
Design Your Entrepreneurial Lifestyle
Start With Your Website and Lunch!
The first impression starts with your website - which is the most important component of your brand.
Last Point - Prioritise Your Health!