I use modular industrial shelving from Lowe's. I like the grill grate idea as I'm reconfiguring for the new ring burner and need something that won't block the outer edge of the ring.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk