Do you please explain more about? I can not understand what you want or what you provide. If you explain more that will be better for you. Because your post is not clear about your demand. Do you provide the web design service? Please clear it. Best of luck.
simple website designed = web design service in my mind
@OP Are you just selling PSD files or you are actually selling HTML ? That is main thing that you should clear out. In case you are selling html files maybe it would be helpful to specify some of frameworks that you use (bootstrap for example), will you be doing responsive design or not... It would affect number of potential customers you get