Oh man...Resin is currently the bain of my existence!
I use red plastic cups from the dollar store and wooden Popsicle sticks to stir.
Lacquer Thinner cleans everything up...I use it on spills, drips from my resin can, cleaning out my moulds upon release.
I bought moulds off of etsy.
Joanns doesn't have resin stuff, michaels has cast 'n craft, but Hobby Lobby, I have found, has the best options. Colors, shimmers, mould release, moulds, and books.http://swinginmartinisdesigns.blogspot.com/2011/02/great-resin-adventure.html
Here is a blog I wrote about our adventure.
The stuff stinks to high heaven, but we just opened the door and had a little fan on.
I also found that they will remain tacky until you set them with a hair dryer or put them in the oven. I haven't gotten that far to trying to finally set them, I just know the chess pieces I was making always end up tacky (or impressionable...if you hold them too tight, it leaves finger print impressions.) and the hubs found on google to use a hair dryer or put them in the oven for a bit...
I am still in the trial and error phase as well, so good luck!