Hauling lumber with a Bikes At Work Trailer

We are building a chicken coop. We bought plans from the GardenCoop.com site. Below is how I hauled the listed lumber. I always wanted to haul lumber via cargobike and heavy duty trailer. It is a challenge and a fun workout. Once I arrive home, The whole cargo rig goes in the back yard (no unloading) the lumber stays on the trailer until needed.