For my rinse free washers, I just gave this a try. I normally use chemical guys eco wash. The ratio is higher with the turtle wax, but for a product you can pick up at autozone, this stuff works great. Just did the Boss then hit my black fiat commuter car outside in 92 deg temp. I was amazed how well it worked, streak free, swirl free. I actually think it hides swirls slightly.
This is my normal wash method: