I've sailed on a lot of cruises, which has helped me figure out what's a great deal and what's better to skip. Amanda Adler As an avid cruiser, I'll splurge on onboard luxuries like fine dining, spa services, or cocktails. However, some extras, like balcony rooms and souvenir photos, never feel worth the cost to me. I think unlimited drink packages and high-end, duty-free purchases are rarely a good value. I've been on more than 50 cruises over the years, which has given me a strong sense o...