I suspect a lot of people have difficulty recognizing that what they believe about the world may not be representative of how the world actually behaves. I certainly do, frequently.
Like with politics, people think they need to go vote and march and stuff to effect change, but if you're willing to accept the idea that there are limits to your ability to perceive the world and your perceptions are misleading, you can pretty reliably go and see that isn't true.
You can also decipher deeper realities like you can basically put whatever you want on flat bread, or that you dadskf;'akse'wfaegqrwt;'lj'a fuck my brain. I'm asd I'm not sure what I was trying to say.
If you live in an apartment with coin operated laundry, you can buy a key for the coin box really cheap too.
I've been so tempted to do this for years, but I'd be so afraid they'd notice the missing income and figure something was up.
I would also recommend casing the joint real well too. There could be a camera. It could be thwarted with a well placed laundry basket though.
I lived in an apartment with laundry, and I found out that if you push the quarter "slider" in reeeeal slow, sometimes it would kick on and I could gank my quarters back