Definition: A website is an outlet to show potential buyers a selection of your services and/or products. In a nutshell it is a snapshot of who your business is.
Purpose: A showcase of your services/products in order to engage customers and ultimately increase sales.
Purpose: A main source engine to advise clients of updated events, services etc.
Purpose: Securing the provision of interacting and creating a source of effective communication in regards to your brand.
As a freelancer or business owner your website is the home of your brand of services or products. As an economy, we have grew exponentially into a digital world and according to Business Insider eventually we will be a full digital world in the next decade which is mind blowing. Using website builders like Squarespace or Wix is totally acceptable as a starting point, however as you grow invest in your brand. Update your look and let people see that you are not going anywhere anytime soon if that is your goal.
Website revamps or new websites are a marketing tool in itself. A viewer seeing some wild range of color or simply a discount popping out could drive them to click another button and dig more.