Create a 1kw Solar Energy System with less than $800

I have created a new product on how to build a new type of solar panels and how to install a 1kw system on a roof. 4 solar panels, charge controller, deep cycle battery and Dc to Ac inverter to get 220 V.Sales page tested on a previews product. Good Luck! Create a 1kw Solar Energy System with less than $800