Founder of iwebsun, a premium design and development firm.
Versatile IT Consultant professional with 12 years of progressive working experience with international clients. I am passionate about the way people use technology. I love to talk to the users of a product, to understand their desires and frustrations, and to use their insights to create simple, beautiful user interface that have a high degree of booth desirability and usability.
Simple, first understand the user need and their day to day activity/task and mental model. This will guarantee you best ROI.
Check following links theses will help you to understand best UX practices:
http://iwebsun.com/user-drive/
http://iwebsun.com/ux-roi-user-experience-return-on-investment/
Yes UX is important for your first launch, this link will help you to understand in simple way - http://iwebsun.com/ux-blog/