12 Pack Shoe Storage Bins, Waterproof Storage Boxes, Shoe Containers For Sneaker Display, Hat Organizer, Stack-able Cardboard Boxes, with Marking Labels, Transparent Window(13.2'' x 8.3'' x 5.1'')

I have the same problem. I'm definitely still working it out, but I did just get get these boxes to try. https://www.amazon.com/dp/B0D5QC3H1M?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1 They're cheap, easily stackable and each drawer can be pulled out to be a tray.