For a complete and total noob, I would suggest 2 things.
1st, the easiest, ( for about 10 different items)
--A. set up a free account on one of the blogging platforms. Live journal, blogger, etc..
-- very easy to do, they have prefilled templates, just type in your info, and type whatever you want for a first post.
--B Get Flogd, It's free, and you just plug your paypal acount to it, and then load items.
https://www.flogd.com/ They give you a snippet of code that you can put into any page you control and your store will pop up.
see this, I set up as a test, it took me 15 minutes to set this up.
ourcynic
For a set up like that, total time 1 hour, cost $0.00 and you put the flogd store into any other blog account you may sign up for
After you get your feet wet with something like that, you may want to try paying up for something better.
options, premade store sites
---- Webstore by amazon (also get your stuff on Amazon) Yahoo stores and Ebay prostores
These are quick and easy to set up but you pay monthly fees and commisions.
Other option,
Go your own way,
Get a domain and buy hosting, then download wordpress and use that to set up your site. ( Not that hard at all)
For a shopping cart, I recommend mercantec, they are free and work with google checkout, paypal and Amazon payments.
Hope that helps.
Cheers!
How to open an online store 
