What's it like to buy a place in manhattan, nyc?

Like if say you had the money, you just buy the whole place instead of mortgage? Is paying utilities separate?

how does it work? Walk me step by step to understand?

like what requirements or prerequisite do you need to buy a place and not have to worry about paying additional in the future. Is that possible?
Added (1). also, what about buying the place, and renting it out to people as an investment? How would that work?

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