I currently have the shopkeeper plan which limits you to five sites total. I was being dumb and used all of my web addresses for pointless pages i was using to test and play around with different designs. Now i am in need of these sites. What m trying to figure out is if you can delete the addresses you've already created to make new ones? If so, how is this done? My main issue is that i have given them pointless names and i would like to change them to something that goes with the new site.

Open a support topic and CC will help you get them deleted so you can setup new ones.
https://www.coffeecup.com/help/myroom/opentopic/