My comment on the Carnival transfer had nothing to do with issues they have per se, but rather the timing. You wait for a bus to be full (depending on what time you get off the ship), if early, no issues, later in the morning you can wait a while. If time is on your side, then no issue at all. Most often, they are usually more expensive, sometimes significantly so. The only cheap way in NYC is if you have some pick you up….