How difficult is it to convert a CSS website to Word Press blog platform?

Would a conversion or transfer to blog platform be advisable to enable real-time text edits and enhance search engine optimization?

If you have a lot of content, it could be a real nightmare switching over. You could always have somebody convert your present site to php so the text is updated through a php admin area.

You need to find someone who knows how to create a custom theme for you. I created my own wordpress theme on my website. you can go check it out for an example.

But you can go the cheap route, and learn how to by getting a book. You need prior knowledge in html, css, and a bit of PHP.