How to Hire a Web Designer/Programmer for Your Website

Hire a designer or a programmer for your website is a daunting for any business entrepreneur. Remember that you're the important part of a design process. It is your decision makes the final outcome or success of a website. Your website is a one which works better and sells your products and have good feel for the visitors.
Why hire a designer or a programmer?
You might ask this question yourself when there are 100's of easy to build software on the internet. But building a website yourself and a professional designer makes a lot of difference. The designer put in years of expertise in building your website. He knows all the web standards as well as a professional look after it is done. Apart from that business owners don't find time and patience in maintaining and promoting the site. Since the business person is occupied with this own business needs.What are the important aspects while choosing a website designer/programmer?