Gradually moving an existing site into concrete 5

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I have a website that has been in the making for over 5 years, and has become unwieldy due mainly to sprawl. It seems like moving it into concrete5 would be a good solution to get it under control, but I am stuck on a couple of places. I have read the docs over and over, and watched way to many youtube videos about this, and still can't figure out how to line up folders between my local wamp and my remote linux account.

1. On my home computer, I have my site setup like this:
-wamp
--www
----myscriptdirectory1
----myotherscriptdirectory2
----index.php
----anotherpage.php
----more my files and folders
----c5
--------blocks
--------concrete
-----------duplicates of a lot of files in c5
-----------themes
--------more c5files and folders


on my site, it is setup like this
-home
----username
--------public_html
-----------myscriptdirectory1
-----------myotherscriptdirectory2
-----------index.php
-----------anotherpage.php
-----------more my files and folders
-----------c5
--------------blocks
--------------concrete
------------------duplicates of a lot of files in c5
--------------themes
--------------more c5files and folders

Qustion1:
How do I line up my local files with my remote ones?
Currently,http://localhost brings me to a concrete5 page - not my site's index.php
a)How/where to I make changes so that my site's page is my own page, with c5 functionality?
b)Why is there a concrete folder that duplicates the outside one? Which folder should I use?

Question2:
What approach can I take so I can fold my static pages into c5 gradually, so I can add editing and skinning capabilities at my own pace? Down the road, I have login systems to merge, and databases to deal with, but dipping my toe into c5 with static pages seems a relatively easy way to get started.

Sorry if these questions seem stupid. I generally don't like to admit defeat, but after two weeks of banging my head against the keyboard trying to figure this out on my own, I give up.