4. Cruise Ship Nurse — $75K – $110K

Cruise ship nurses handle everything from seasickness to real emergencies at sea. You work on 4-to-6-month contracts with weeks off between.
Living expenses are covered — cabin, meals, and travel — so most of your paycheck goes straight to savings.
Salaries range from $75K to $110K depending on the cruise line and ship size. Luxury lines and larger vessels pay at the top of that range.