Here's what actually happens. You book a cabin. The cruise line charges you the nightly rate—let's say $150 per night on a repositioning sailing, which is where many liveaboards start because the per-night cost looks cheapest. Seven nights is $1,050. Thirty nights is $4,500. But that's before gratuities, which cruise lines automatically add at roughly $15 per person per day. On a month-long sailing, that's $450 in mandatory tips alone. Then there's the internet package. A week-long vacation, you might skip it or buy the cheapest option. A month, you need it to work, pay bills, stay connected to family. That's another $150 to $300 depending on the line and speed tier. Laundry service costs add up fast when you're not going home to a washing machine. Specialty dining, if you want to eat somewhere other than the main buffet for thirty consecutive days, runs $15 to $40 per meal. The math accelerates.
The retired teacher in the Mary Sue piece discovered that her monthly costs—cabin, gratuities, internet, incidentals—ran substantially higher than she'd projected. She'd done the math on published rates and come up short on the reality of living aboard. Most people do.
There's also the question of what happens between sailings. Some liveaboards try to stay aboard during turnaround days, when the ship is in port for crew changes and restocking. Cruise lines tolerate this inconsistently. Some charge a reduced daily rate. Others charge the full nightly rate. Some require you to disembark and reboard, which means finding a hotel for a night or two, or paying for a port-day excursion you don't want just to stay off the ship. That's not in the glossy math.
Then there are the visa and port-day realities that don't hit you on a week-long cruise. If you're sailing a Caribbean loop, you're hitting the same five ports every seven days. After a month, you've been to each port four times. After three months, twelve times. The novelty evaporates. More importantly, some countries have limits on how long a tourist can stay in-country without a visa, even if you're technically aboard a ship in territorial waters. The Schengen Area in Europe, for example, allows ninety days in any 180-day period for US citizens. If you're doing Caribbean loops, this doesn't matter. If you're doing a transatlantic or Mediterranean circuit, it does. You can't just stay on the ship indefinitely; you have to disembark, leave the region, and come back. That means flights, hotels, and time away from your floating home.
The teacher's story also touches on the psychological weight of permanent displacement. A cruise is a vacation because you know it ends. You endure the crowds, the noise, the sameness, because in seven days you're home. When home is the ship, the noise doesn't end. The cabin doesn't get bigger. The same 2,000 people are in the same hallways every single day. Some liveaboards adapt to this. Many don't. The Mary Sue piece hints at the isolation and the grinding nature of what looked like adventure from shore.
There's also the practical matter of what happens if you get sick or injured. A cruise ship has a medical center, but it's not a hospital. If you need serious care, you're being helicoptered off or diverted to port at significant cost. If you're a permanent resident, your relationship to that medical facility changes. You're not a passenger anymore; you're a liability. Some cruise lines have started requiring liveaboards to carry specific insurance or to sign waivers acknowledging the limits of onboard medical care.
The financial reality for someone actually considering this: budget at least $4,500 to $6,000 per month for a modest cabin on a mainstream line, including all mandatory fees and basic internet. Add another $500 to $1,000 if you want any flexibility in dining or occasional port excursions. That's $5,000 to $7,000 monthly, before visa runs, flights between regions, or unexpected costs. A retired teacher on a fixed pension might have thought she could live on a ship for less than she could live in a house. She was wrong.
The appeal remains real for some people. If you're genuinely nomadic, if you want to see the world without the logistics of land-based travel, if you have the financial cushion to absorb the actual costs, it's possible. But it requires honest accounting. The Mary Sue's profile of someone who sold everything and discovered the reality was harder than the dream is a useful corrective. The fantasy of cruise living survives because people don't talk about the month-to-month grind, the isolation, the way a ship that felt magical for a week starts to feel like a very expensive, very small apartment that moves slowly.
If you're considering it, spend a month aboard first. Not a week. A full month. Pay the actual costs. Live the actual rhythm. Then decide whether the freedom is worth the constraint.