Tangled extension cords are, at best, annoying, but a free (I love free) solution is to stuff them inside the leftover cardboard core of a roll of paper towels. Fold the cord lengthwise, back and forth, as many times as it takes and then slide it into the core. Easy peasy.
Seeing this empty tube made me think of this tip to make your own Clorox wipes. Especially since they aren't available commercially. https://www.stretcher.com/stories/00/001120a.cfm?fbclid=IwAR23NJWIRi6AwDOjjAmqiEnKFgIrLBZRyV8uqUw6T8oi7QD2NyX3SZiZsT4
Thought I would share it with you in case you want to share it with your community.