I can't say I like supermarkets but I have a plan.
Go in, collect goods via shortest possible route (which the scheming shop managers try to disrupt every now and again by shuffling everything about,) go to checkout, preferably the quick release 10 items only one where I give the
EVIL EYE to anybody who is even one molecule over the 10 items limit and then escape like Steve McQueen in the famous prisoner of war movie.
(Although a Triumph flying over Morrison's car park would probably not sit well with PC Penhale. .... and it was a Triumph, disguised as a BMW maybe, but for that sort of behaviour you need a real bike.
)