Getting a professional WordPress site built and fully configured requires only hours or a couple of days. If you learn how to do it yourself, the only cost you have is registering a domain name and getting a web hosting account, which is a requirement for any website. Additionally, WordPress website owners can be up and running and growing their presence online even before deciding on a specific web design "look" for their sites. You can start with any web template and change your theme as soon as you find the design you like, and everything that you have added to your site will remain the same.
I have grown to love WordPress, as have thousands of other WordPress users, and I have always taught in my business seminars and workshops that, unless what you plan to do online requires some specific custom-built complex application, then consider using WordPress. WordPress is the ideal platform of choice to consider for most business website needs - it can save you thousands of dollars on web development costs and it puts you in the driver's seat of your own online vehicle!