Yes, it works. Before and after video's prove it. Wind noise has been the main annoyance in my video work. Yep, I don't like wasting money and the phone is my wife's "hand-me-down" Galaxy S8 but the picture quality is good and now the sound is better as well. These open foam sponges work well in a heavy sea breeze!
Before you start building, especially if you need concrete footings or pad, are you going to need underground services such as power, water or drainage?
When you fit the roller door watch out that it doesn't spring out and unravel. Hold onto that door before you cut the retaining strap, pull it down about a metre and fasten it with a wedge or block of wood. Now is a good time to attach the plastic lock runners.
I'm still learning lots of fantastic tricks with videos but getting started is very easy. You need a cheap camera and download Shotcut (and optional, OBS Studio).
Every two months the farmer gets a text to read his meter and post the reading online. Once a year, an image of the reading is required or you can choose to do it every time but it has to be readable. (Western Australia)
An Owner Builder's Permit is not necessarily a given. You have to demonstrate competent building skills so always secure this before signing with your kit home supplier. The Permit is valid for six months and by then you need your Shire Building Permit in place.