Understand that the web site building process is not haphazrdly coming up with an idea and then doing a copy and paste job that you throw up on the internet.
Here is an excellent article that gives you some of the detail involved in creating a web site: How much should a web site cost?
If you got anything out of the above article, you will see that the process is labor-intensive. You are paying for a specialized service and or services and the time that is put into creating a web site.
So remember these points:
- Size of the company