Among others , the 5 best advantages are that

   - you travel with whomever ...you like only,

   - you travel whenever you and your company wish,

   - you visit exactly the places you want,

   - you spend as much time you want, wherever you want,

   - you enjoy the quality you can afford !

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Well, it is true that it takes some money more, but ...we only live once, don't we  ?
Besides, privacy is a priceless advantage...