Cruises are a fantastic way to see a number of places quickly and affordably. You meet new people, eat, drink, party, and see the world. But the bill can run up quickly on a cruise. And one key way that the tab gets higher is when people head ashore for shore excursions. So how do you see the best of the island/country/destination without breaking the bank? Check out these tips on how to save money on cruise excursions.