weeds can ruin your grass or your garden, if you dont control this problem, Your property lose value and beauty. $4.50 cost to replace one sq. ft. of lawn by sod. In 1000 sq...... you spend around $4500, this is at lot of money. I can help you and take care of your lawn only $420 a year in 1000 sq. ft.(3 fertilizer and 3 weed control) or until all weed will be gone and your lawn get healthy. Free estimates.