Floralpaint
Corset-story.com
Honeycolor
Amazon and eBay, cosplay specific wigs (search cosplay wigs), can also get premade wigs
Laundry detergent, fabric softener, wash by hand
Read reviews

Got to be glue hair spray, buy in bulk

Fabric, where to go
Fabric wholesellers and liquidators

Bridal satin

Lining from mockups instead of muslin

Tnt cosplay
Clay foam
Gym mats
Craft foam
Barge cement glue, and thinner
Quickseal to seal up cracks
Plastidip, puts a layer of plastic on top of your stuff
Plaid paint

Insulation foam for weapons
Good for layering things
Put a little mod podge in to seal it, layer after layer and sand in between
You have to sand it, and keep upping graining
Or paper mache,

Gym floor mats

Resin for jewels, Reynolds