Not a bunker list. The seven items that cover most of what goes wrong, in the order to buy them.
Most preparedness lists are either three items long and useless or three hundred items long and never bought. This is the seven that matter, in order. Buy one a week and you're done in two months.
A rechargeable lantern lights a room for a night; a headlamp leaves both hands free. Get one of each before anything else, and keep them charged.
When the networks go down, radio is how you find out what's happening and how long it's expected to last. A hand-crank model with a weather band never needs batteries and charges a phone in a pinch.
A gallon per person per day, three days minimum. Collapsible containers fold flat until a warning is issued. Full guide here. When the stored water runs out, a filter straw per person turns the rain barrel or the creek into drinking water.

Three-stage hollow-fibre filter: drink direct, screw onto a bottle, or filter by gravity. No power, no expiry. The 5-pack comes with two guides free.
From $29.95 · 5-pack $74.95See the strawA 20,000mAh power bank is four or five phone charges. Keep it full. The week-long plan is here.
A butane stove costs little, lights with a click and cooks what's thawing in the freezer. Use it by an open window, never in a bedroom, and pair it with a carbon monoxide alarm.
Minor injuries go up in the dark. A proper kit with labelled compartments, and ten minutes spent learning what's in it.
When water pressure fails, toilets stop. A folding toilet and gelling waste bags are the least glamorous thing you'll buy and the thing you'll be most glad of on day two.
We sell one of the seven: the Survival Straw, for the water you can't store in advance. The other six are a hardware-store trip, and the free Home & Go-Bag Checklist guide with every 5-pack tells you what to look for.
Plan Backup is an independent retailer. Articles cite official guidance where it exists and say when a recommendation is ours.

The FORTRESS initiative, what's confirmed, what isn't, and the sensible household version of the same idea.

The one-gallon rule, where it comes from, how long a family of four actually needs, and the three ways to hold that much in a normal house.

A phone is your torch, radio, map and lifeline. Here's how to make one charge last, and how to make more charge when there's no socket.