There are many, many kinds of e-commerce solutions out there. If you want to sell something online, it will really payoff to do some research first and find the right solution for you. Below is just a small sample of what is available.
One of many companies that offer shopping cart, merchant gateway, inventory and customer list services for a monthly fee.
Open source software that can be installed on your site, so you can set up inventory and handle sales. You will need the help of a developer to get it set-up, but it does give you a way to manage your own inventory and sales. Works with PayPal or a merchant account.
This site can set you up with a free blog, or if you go to WordPress.org, provide free software so you can set up your own blog on your own hosted site. WordPress can also be used as a content management system.
Filezilla, an FTP program http://filezilla-project.org/ (You want the client, not server.)
FireFTP, an FTP program that works as a Firefox plugin, right in the browser. http://fireftp.mozdev.org/
Irfanview, a nice easy to use piece of software for editing image files. Not a replacement for Photoshop, but an alternative if image cropping, resizing, etc. is all that’s needed. http://www.irfanview.com/main_download_engl.htm
Crimson Editor, a text editor for coding in HTML, PHP etc. Different parts of the code show up in different colors making it easier to read. http://www.crimsoneditor.com/
Where to find out who owns a domain name and if yours is listed properly.