The cheapest solar heater of Parabolic Dish type

Now I am testing this cheap mirror which must produce very cheap energy to be better than solar panels or thermal power plants. My cheap mirror consists of these two parts, and the first part is this primitive reflective film costing 25 cent / sq.m. This is the second part, and I spent less than $3 buying these thin steel rods. After installing the film on the mesh of the steel rods, we have a concave mirror, and let's take a look at how it will focus solar radiation. We see that I will have to radically change the design of my mirror to focus the radiation better. Nevertheless, this very bad mirror can give us fire, and let's look at how it will light a piece of newspaper. The paper does not light up immediately, and I had to wait for about 2 minutes while my concave mirror created the fire. I think everyone understands that my goal is not to make fire, and my goal is not to grill a sausage with bacon. My goal is to find the cheapest mirror in the world to replace similar ex