When I lived in Olympia, Washington, there was a custom door place.  Their doors were not going to be found in the orange place. 

The door place threw all its scraps and rejects out for the public to grab. Their bins were full of the kind of stuff folks like us slobber just hearing about or seeing.  Sadly, most who got there early sucked up a lot of gold for firewood.

If you got there first, you might end up with a 2" x 18" x 24" piece of Koa, mahogany, maple, walnut. . . .  
I still have a lot of that.  My ex's ex after me owed me a lot of favors (no, I didn't bump her off). He'd drop by the door place regularly and grab pieces he thought I might be able to use.  

A lot of the stuff is a pen maker's dream. A lot of it makes good edge banding. For example, 3/4" x 3/4" mahogany over the edge of the birch plywood edges.  There were and are a lot of thicker pieces too.  They are big enough to join for, for example, making walking sticks and other projects.

I ended up with so much it made my little 1/2 ton squat. Enough it justified building a rack to hold it.

I used an approach I took for a firewood storage rack I built for inside the house, just off to the side of the wood stove. It used mortise and tenons so a whole lot would not cause it to come apart.

When done, I used casters off a hospital gurney. They were up to the job, but the wood the pegs went through weren't.  The thing filled with wood pushed toward the 1/2 ton mark. It took everything in me to move it.

I jacked it up, checked the casters and it turned out the weight was enough the pegs of the casters elongated/enlarged the holes and allowed the casters to cant in ways they should not have.  

I borrowed an idea from the folks who make the little units that go under each of four car tires to allow people to move a car around a shop without assistance, man or mechanical.   To that end, ordered 12 heavy duty casters from the HF folk, mounted 3 each on four, roughly, 6" x 6" pieces of 3/4" ply, then mounted them to the 2x's the casters had been in.

Now, I can, literally, move the monster rack one handed, even though there is far more than in the photos, below, show.

PS Note the figured maple in the firewood rack. That was the entire cord. The guy had no glue about what he cut up. I made a lot of nice kitchen utensils (e.g., spoons, spurtles) from some of it.