I use a lot of shipping pallets for projects in my growroom. They are free and available everywhere. I just finished making modular scrogs, I made a drying box, shelves, a worm bin and even a bed frame for myself.
I call this the Bud Casket. It is my drying room
Here are my ModScrog v2.0 complete with casters
I call this the Bud Casket. It is my drying room
Here are my ModScrog v2.0 complete with casters