Dynamic Content Boxes: how to use them without get Duplicate Content Penalty?

[OptimizedGroup]

Hi everybody,

I am starting a project with a travelling website which has some standard category pages like Last Minute, Offers, Destinations, Vacations, Fly + Hotel.

Every category has inside a lot of destinations with relative landing pages which will be like: Last Minute New York, Last Minute Paris, Offers New York, Offers Paris, etc.

My question is: I am trying to simplify my job thinking about writing some dynamic content boxes for Last Minute, Offers and the other categories, changing only the destination city (Rome, Paris, New York, etc) repeated X types in X different combinations inside the content box.

In this way I would simplify a lot my content writing for the principal generic landing pages of each category but I'm worried about getting penalized for Duplicate Content.

Do you think my solution could work? If not, what is your suggestion? Is there a rule for categorize a content as duplicate (for example number of same words in a row, ...)?

Thanks in advance for your help!

A.

[dotlineseo]

I think you should be rewrite your dynamic url will be good for SEO point of view.

Thanks,

Akhilesh