I get them from smallpetfeeders.com i dont believe they were too expnsive either. i got the smalls for my female of the same age but they grew real fast and she didnt have a problem even when they got up to 3 inches.
Fear and loathing is great if you like that check out the first one from the 80's it's called where the buffalo roam and bill murray plays hunter s thompson.
Does this mean you dont have a uvb? If you dont cuz its next to the window,cuz the window blocks out all the UV rays from the sun and your cham isnt getting what it needs.
It would probably be easiest to catch while they are still in the shell try to get a bunck put them in a tub and see if you cant get them breeding or feed em off.