OLD CS1

Stack the tubs inside of each other, cap off the top one with a lid.  Stack the lids.  Put everything in the rafters in the garage / attic.  Toss a Harbor Freight tarp over them to act as a dust sheet.  Don't use moving blankets, etc. - things like to make homes in them, and if they get wet they'll attract mildew and / or mould.

This is honestly about the best way I've found to do it.  Oh, and depending on the type of bins you have it may be more advantageous to store the stack on its side rather than vertically if you're going the garage or attic route.

Sterilite boxes with gasketed lids and latches in my basement.  Keeps moisture and dust out while keeping that vintage 80's and 90's smell in!

(Looks at wireless bluetrace mouse)... My mouse doesn't have balls,  must be a female Haaa!