What are some advantages and disadvantages to create your own website rather than hiring a professional?

Advantages to build your own website

• It is more affordable
• You can determine the outcome of your website
• You can change the HTML whenever, to make quick changes

Disadvantages to build your own website

• It can take a long time to master the skills to build a website.
• You cannot change anything to the website. You have to contact the professional each time you would like to make some changes, this can be costly. 
• It can be very costly