Why are there no chaim cam spares for my 2011 Skoda Fabia Elegance 1.2?

I'm buying a 2011 Skoda Fabia Elegance 1.2 TSI from a Skoda dealer. The vehicle requires a new cam belt but there are no spares available in the UK. Does this bode ill for the availability of future spares?

Does the 2007 Mazda 3 1.6 petrol use a timing chain or cam belt?

Does a 1.6 petrol 2007 Mazda 3 have a timing chain or cam belt?

Does the Fiat 500 Twin Air use a belt or chain?

I have a 2015 Fiat 500 Twin Air which has done 33,000 miles. Should I be considering having the cam belt changed?

Ford Focus Mk2 - timing belt or chain?

I have just bought a 60 plate Ford Focus Mk2 1.6 TDCI and I was wondering if it has a timing chain or belt and when this would need replacing. I do not have any paperwork to show the timing belt has been...