Broadleaf weeds like dandelions and plantain weeds can spring up all over the place. If you don't want to spray them with the chemical-filled sprays, some cheap vodka will do the trick.
Photo by Randi Hausken
Buy the cheap stuff and fill up a decent spray bottle. When it's sunny outside, give each weed a couple of squirts and it will start to shrivel up and die. Of course, this will kill grass too, so don't go spraying this all over your lawn.
How to Get Rid of Weeds with Vodka [Do It Yourself]