Body work for dummies...

You could use some 3M strip it disc like these for the trunk
http://www.eastwoodco.com/jump.jsp?itemID=1727&itemType=PRODUCT

Also here is the 3M dry guide coat
http://www.eastwoodco.com/shopping/...mType=PRODUCT&RS=1&itemID=17609&keyword=20384

For scuffing the epoxy you will have to check the tech sheets for the epoxy you use. You can probably use a red scotch brite pad (buy a box of them)

Make sure to ask for tech sheets for any paints and primers you buy.