Jesus that looked painfully slow, don’t know if I’m some kind of magician! But I can do a tyre change in no time at all, sometimes without a lever and have never damaged a tube doing it.
He's showing a method on how to fit a tyre which is a known nightmare to fit - Schwalbe Marathon with a wire bead. I've got them fitted to the other halfs bike and they did take me a stupidly long time and lots of pain to fit! Worth it though as they're pretty bombproof (but quite heavy).
Depends on the tyre, most will go on by hand. Some tubeless mtb tyres can be a complete arse. Crank Brothers tyre levers are pretty damn good though.
Many road tubeless are tough to fit, at least as tough as in that video.
One of my pro tips - do it in the warm! Your hands hurt far less and the rubber is much more compliant making things loads easier!
As for tubes, I just replace when I'm out (actually carry 2 spares) and then when I've got a stockpile of them in my garage I'll have a bit of a repairing session. Say around 4-6 of them. With the £ tanking tubes are getting more expensive and more worth repairing. Aldi do a repair kit which is worth picking up, similar to the Halfrauds one, just cheaper. If you're buying the Halfords one at RRP then the Park Tools one is around the same price from wiggle and has better glue (but I think less patches?). The glue is 'rubber cement', if anyone's built airfix kits/warhammer models then you'll be familiar with it. Buying specific model glue is loads cheaper and usually better quality, just less portable. #protip
Used to buy tubes in bulk from ITS for around £1.20 each. Those days are long gone and my last few have been Spesh specific tubes for around £2 each on Ebay deals & bundles being sold as unbranded by Tredz/wheelies/etc