 Cruising can still be a travel bargain, but cruise lines have found quiet ways to earn some incremental income without you feeling too much pain. I'm indebted to the website called CyberCruises.com for calling my attention to such things as cruise lines asking for a larger deposit when you book. Some cruise lines are charging for shore shuttles or bottled water, according to Douglas Ward, author of Berlitz Complete Guide to Cruising.