After a collapse, things will wear out. That broom that isn't used very often, will become a primary way to removing dirt and debris that gets tracked in by your shoes. Have a care, and create a place for your boots, and learn to take them off, much like has become a Japanese custom. There's a very real practical side to removing shoes as well as a hospitable side to relaxing for you and your guests.
Less dirt also means less bacterial and parasite infections. There's health benefits for sure for using a little preventative care.
“An acre of broomcorn will yield enough brooms for 150-350 brooms.”
It also produces a useful seed product that can be eaten as a cereal. The stalks of broomcorn can be used is cut immediately for forage for livestock, and also for making paper.
[link to books.google.com
Making a simple broomcorn “cobweb broom”. It's like a handheld smaller cousin of a broom like a dustbroom.
[link to friendswoodbrooms.com
Some useful links:
[link to www.hort.purdue.edu
[link to www.uky.edu
Note: How wise it would be to purchase an inexpensive carpet sweeper now. If you use it frequently, it can be very helpful, and of course that nice electric vacuum will be of little use later.