One of my great dumb a** things I did was when I was younger I used to change my own engine oil in the car to save a few bucks. I drained it and proceeded to put five quarts into the engine which immediately found its way to the garage floor through the drain hole that I forgot to put the drain plug back into. What a mess!
I did similar
I was single and lived in apartment
Wanted to change oil one evening about 9 pm cause i was going out of town next morning and it was due.
So i went to a do it yourself carwash....well lit at night...my apt complex wasnt.
Put my old dirty bucket under my 4wd truck, drained oil into it.
Plan was to pour used oil into the container i filled truck from.
I got in hurry because didnt want to be seen/caught
Poured new oil in without putting plug back in......all my new oil went into bucket with old oil and dirt.
So i was stuck at a carwash at night, no oil in truck.
Managed to walk about 3/4 mile to a gas station and buy some oil...10 min before they closed