2 boxes of 14" wire squares (23 per box) @ 29.99 each $59.98
1000** nylon cable ties (7.5") 24.82
1 sheet of 4' x 8' 5/8-in plywood 21.50
cutting to size for base and 3 shelves 5.00
5 wheels @ 4.95 each 24.75
100 wood screws 4.95
6 snap fasteners $ 2.95 each 17.70
24 sheets 12"x`12" vinyl tile 15.00 to 40.00
1"x2"x8' lumber 1.49
TOTAL: $175.00 to $200.00
*Purchased at Home Depot, Vancouver, B.C. in September, 2007
**We only used about 350 ties, but it was cheaper to buy one big bag than 4 small ones.