Cruise: Simple tip means passengers can enjoy a longer ship experience for free

Along with early boarding, there are plenty of other cruise hacks that have been shared with passengers hoping to make the most out of their holiday.

One cruise expert, who has amassed an impressive four years of cruise experience, revealed the hidden costs that sometimes come with life on board the ship.

In his book Best Cruise Tips: 303 Cruise Hacks Saving You Time, Money Frustration, Randall Stewart explains how frequenting the shops onboard could customers far more than they bargained for.

He writes: “Shopping can be a lot of fun. However, the cruise lines make a significant portion of their profits from your onboard purchases and those you make in recommended shops.”