I've done a test but the kit was faulty, no symptoms but was invited via the Zoe app.
The self swabbing was fine, I took a couple of minutes with a mirror in front of me to clarify where I was aiming for, I also put a bucket and a box of tissues (just in case) between my knees between me and the mirror.
I read the leaflet to make sure I hadn't missed anything, I followed the steps as per m.youtube.com/watch?v=9WayjX6vCdk which was very clear to understand. I like this version based on the fact that we can see him gagging and his eyes watering, it's not trying to be polished just straightforward.
I removed any time pressure on myself either, this would take as long as it takes (reality it was 2-3 minutes and it has taken me longer to type this).
(puts big girl pants on) I retched several times with the throat swabs but calm deep breaths and positive self talk so inserted into nostril slowly while mouth breathing and pushed back until I met resistance then slightly further (telling myself this is uncomfortable but will not damage you) my eyes were streaming and I counted it back out after 5 rotations and repeat on the other side.
This is where I hit my big problem as even after snapping the stem, the lid on the test tube wouldn't go back on. Helpline was useless but that's another story altogether.
From personal experience if I had to do it again and had the choice of someone else doing it or self swabbing, it would be self swabbing all the way but also because I have a fear of others touching my nose (which stems from an enforced feeding tube) so being swabbed by others is a nightmare scenario for me. It means that while can be uncomfortable very temporary I have some control. This too will pass.
Hopefully some of this will help others.