Hello. I think you should start with a smaller and cheaper reseller. ResellersPanel (I'm their promoter) can offer you:
5 GB Disk Space
50 GB Traffic
CPanel/WHM
Host Unlimited Domains
FREE Dedicated IP Address
49 FREE Pre-Installed Scripts
+2 GB FREE Space for Your Sites
With Free Billing Software.
For 25$/month.
Site :
http://www.resellerspanel.com/cpanel_program/