Remember that a get home bag has to be built based on the lifestyle of the owner and the career and environments are factors that will dictate the items in your get home bag.
Get home bag essentials
One liter of water
US Water Revolution ( NEW PRODUCT A DIY Project to Generate Clean Water Anywhere)
Being cheap when choosing a multi tool is a mistake you will regret and you should avoid buying cheap China items when it comes to multi tools. Its a good addition to your get home