Whoa...arent we new to the scene......
Lemme try and help ya out a little bit before they start the jokes
Well first of all....how much it costs depends on how much bandwidth you use.....if you use 18GB at $1/GB then you do the math...
How much bandwidth you use depends on how big your site is, including graphice, and all your pictures.
If you want a good host try
www.swiftwill.com