Magic Marker on Polyester?
I dont know if it will work on a jersey, but rubbing alcohol removes permanent marker from glass and CDs. Its worth a try. Just put a bunch of paper towels underneath and sponge on the alcohol and see if it bleeds out. If it does, keep going until its as gone...
Buying Cream of Coconut?
Ours is in the Mexican food section.
Freezing Roma Tomatoes?
An Italian chef I saw on TV once said to put them on a baking sheet, freeze whole, then the skins will peel right off when you thaw them to use. I do the same with bell peppers, although it doesnt work as well with the skins. Works great on tomatoes, though...