DIY Shed Elevator Made from Cheap Hoist

How to build a DIY elevator using a $160 hoist, steel cable, 4 pulleys, and a wood platform.

Parts:
$159 - 660 lb Hoist HGS-B600 https://amzn.to/3xf1jiP
$11 - Stainless Steel Thimble for 5/32" - 3/16" Diameter Wire Rope Cable https://amzn.to/2Rqwh86
$9 - Stainless Steel 3/16" M4 Wire Rope Cable Clip Clamp https://amzn.to/2Rrx5ts
$70 Uncoated Cable, Galvanized Steel, 7 x 7, 3/16 in Cable Size, 3/16 in Outside Dia., 740 lb https://www.grainger.com/product/2TAC... (note: you may want to get wire that's certified for lifting, I'm pretty sure this isn't, and also isn't rated as flexible for longer life going over pulleys).
$58 (qty 4) Pulley Block, 600 lb, Designed For Wire Rope, 3/16 in Max. Cable Size, 2 in Sheave Outside Dia. https://www.grainger.com/product/GRAI...
$24 Slotted Standard 1-5/8 in x 1-5/8 in Strut Channel, Black Painted Steel, 12 ga., 5 ft https://www.grainger.com/product/45YV...
$27 (optional) 4 wire extension to lengthen control on hoist (didn't end up using) https://www.grainger.com/product/20PX...
$75 - 3/4 plywood sheet
$15 - 2x4s for framing platform
$15 - 2x6 to hold pulleys up top
$10 - assorted screws