I find the rear wheel touched the front when folded under.

had a Mk2 bike earlier it overlapped so wouldn't fold unless you turned the front wheel aside,
so essentially you still do , even with the current Mk4 bikes..

$50. each schwalbe marathon Plus tires replaced the Marathon K when I was getting flats too often.

My touring and O bags both have room for tools & a spare Tube, in 1 of its 2 back pockets. to mend Punctures and then Ride again.