Digging Up My Moms Back Yard to Build a Bike Jump

Mom, can I build a MTB jump in our backyard? Today we are building a mountain bike jump in the backyard. Did I mentioned building this bike jump completely by hand. I don't have a much room to work with and but that's not going to stop me from winging it and building a jump for mountain bike! So common, ;et's learn how to build a backyard bike jump together!