Need to add shelves for a storage shed

DAFFODIL DR near Hibiscus way, Nashua NH

Description

I've a 12'x12' storage shed. I want to add some shelves made up of 5/8' OSD floor boards; two 12'x2' shelves on right side and one 8'x2' shelf on left side. I want to keep it simple and economical. I like the methods shown in the following youtube video, but open to other suggestions. See the video: I also want to add a few holders for holding garden tools. See video Once we agree on the design, you should get the material from Home Depot/Lowes, etc. I will pay separately for the materials. You should have all the required tools and vehicle to get the material.