What fire-starting and fire-safety supplies do you need?

Questions about fire starting

How many ways to start a fire should I carry?

At least two that work wet: for example a lighter and a ferro rod, plus waterproof matches and tinder.

How often should I test smoke alarms?

The NFPA says test them monthly and replace each alarm 10 years after its manufacture date.

Where should fire extinguishers go?

At least one on every floor and one in the kitchen, and everyone in the house should know how to use them.

Free: printable checklists and prep spreadsheets, including a water and food calculator and a power budget. For answers with no internet: Survival LLM.