p.s the panniers hold the home built batteries on either side, low down to the ground over the rear wheel, and the waterproof clothes ....
sometimes in my commute im 10 miles from the nearest town....need toolkit, 2-3 tubes, folding tyre, compressed air pump etc etc etc
after years of long distance daily cycling, I can tell you, you need to be able to strip down the bike on the roadside, if you cannot, you havent got enough on the bike........if it can happen it will
but town commuting is definitely different.....
as for trailers, im really thinking about it, but they are not common in the uk ( ive never seen one in 20 years), and this will definitely be like a large red target for police, drunk youth etc etc.....but hey, im a drunk old so its still an option