So Bored Panda has an ever growing list of life-hacks, and some of them you might even use. Here are a couple from the list:
When you want to hang an object:
When Washing the Dog:
|btw, that's peanut butter to distract him|
And the bottom of the bunk bed:
Just the tip of the iceberg. Click the link and learn even more. Some you may even use!