Initially, it will be easier to try to develop this product by flying close to the ground, taking advantage of the turbulence that, moreover, other wind power systems have difficulty in capturing effectively. Scaling up close to the ground should be feasible to a point.
Perhaps the system comprising the “vorsegel” (power) kite could scale cheaply by using a Stratta-Tarp-Kite and a light generator coupled to a dog leash, or the ground system that is already developed.