Not the easiest of home improvements but the hill was an ankle biter and had to be eliminated. The Retaining wall provided a wide flat walkway around the garage to the backyard. Tip* ALWAYS implement staggered vertical stabilizers 4 feet long and railroad tied down. Use large iron bars to hammer pre drill holes at least 24 inches into the ground beneath. That being said, ALWAYS have your work area marked for any potential underground electric, Gas, or drainage lines that might be in your way also, never lift alone. Follow safe lifting policies to save yourself from avoidable injury. Or you could always pay someone else to do it.