Tree Stump Removal --- Get rid of tree stumps by drilling holes in the stumps; fill them with Epsom salt; and wait. Live stumps may take as long as a month to decay, but will start to decompose all by themselves.
Concrete Gap Filler : pinner said, "Never weed again! This is what parks and public places use. Available at Lowes and Home Depot in different colors in the concrete dept. Make sure it says "Self-Leveling" concrete crack filler!