For instance, a little nugget of advice I've come across is that you'll need to block up your toilets as the sewage system pumps will stop and sewage will back-up up the system and spill out into our homes. But this might only apply to certain cities - I'm uncertain.
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edit// List of bugging in dangers from taken this thread (to be updated):
THE OBVIOUS
- water/rain collection
- food storage
- warmth
- cooking
- protection (including op sec "being noticed" - keeping preps private eg. smoke from fire / smells from cooking)
LESS OBVIOUS
- sewage may fail, leading to sewage coming up out of drains and toilets.
- house / neighbourhood fires.
- disposal of waste / urine / faeces, leading to hygiene loss and diseases.
- boredom - possibly leading to drug dependency (incl. alcohol).
- ice / frozen pipes / maintenance-over-time.
- increased risk of household tasks given less available medical help should things go wrong.
- carbon monoxide if cooking/heating indoors.
- stressed neighbourhood relationships.
- gangs roving to siphon car fuel + other easy pickings (potentially your trees/fences for firewood).