Steampunk Halloween in New York City.
Here is a Lulu royalty calculator. Apparently the big problem with using Amazon's CreateSpace is that Amazon doesn't use "real" ISBN's and they aren't registered with the publisher or anything so you can't turn and sell your book in another store. At least that seems to be what the internets complain about CreateSpace.
Dominick Servedeo is an audiologist in in Manhattan. For $180 he'll hook you up with some custom molded musician earplugs (those are earplugs which are flatter than regular earplugs.) You call the office in the morning and tell them when you're coming in. Open 9-5, Monday through Friday.