What's a ypical overall cost for a cruise?

there no typical overall cost.
cost of cruise varies based on cruise line you're taking, of ships you're on, time of year (supply , demand factors), length of cruise, ports on itinerary, , type of cabin select.
luxury cruise lines include cost of alcoholic beverages in fare; mass-market ones not (and don't include cost of sodas, either), factor in onboard spending.
if choose eat @ specialty restaurants onboard ship, that's additional charge.
cost of shore excursions differs depending on experience select. simple two-hour bus tour of city costs far less alaskan excursion go on helicopter ride glacier.
depending on live , ship's departure port, there expenses departure part.

why not go site travelocity or expedia , idea of options type of cruise have in mind?
cruise prices advertised per person double occupancy, means expect 2 people in cabin each pay price; if sail solo, pay twice advertised amount. add on taxes , fees. low prices shown in ads least expensive interior (no windows) cabin.

tickets, rooms, ports, etc. of it.

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