It depends where you live. In New York City there is a great foam store on Canal Street across the street from Pearl Paint, the great arts supplies place. Online you could try www.bubbleandfoampackaging.com. a box store or somethin like dat Look up Foam Converters. Your ability to get the foam will depend on the quantity you buy or you will pay hundreds of percent over value. There's a global list of foam suppliers at http://www.woodencrates.org/packing-foam/ - The list says 'packing foam' but you can typically get any foam available.
There are many places to buy packing foam. you can start with your local post office. You can also check uhaul.com or another moving company and see if they sell packing foam.
Office Max offers a large bag of packing material for under $14.00. You can purchase it on their website: http://www.officemax.com/office-supplies/shipping-mailing-supplies/packing-peanuts-filler You could also try using old sheets or newspapers if you really wanted to save money.
Polystyrene is a solid at room temperature and normal atmospheric pressure. It is a synthetic polymer that is commonly used in the production of various products like foam cups, packaging materials, and insulation.
Absolutely. You can buy polyurethane foam at a place like this: http://www.uscomposites.com/foam.html
There are many places where one could buy a packing tape dispenser. Just a few places where you could purchase a packing tape dispenser are eBay, Amazon, and Walmart.
You can buy foam craft paper at Walmart, Target, craft stores, Micheals, and Joann fabrics.
The Lunar Eclipse does come in black, but it is a black with other colors used to accent. I have not seen a solid black version of this shoe if that is what you are asking.
You can buy a foam cutter for thick styrofoam here: http://www.uline.com/BL_505/Foam-Hot-Knife?pricode=WO230&gclid=CP_EwaKiwKACFYk55wod0HpzUQ
I would go to the post office. You could try looking at Rite Aid or Target. They have all your packing supplies that you will need. I have bought bubble wrap, bubble mailers, packing tape, and packing peanuts from Target.
www.betterfoam.com sells soundproofing foam and delivers to Oregon
Hobby Lobby
You can buy packing peanuts for your business for $0.19 at this link online: http://www.workshopplus.com/ProductCart/pc/viewPrd.asp?idproduct=1244&idcategory=65