He means that if they charge you to get a "night rating" they are scamming you. It doesn't exist. You do a portion of your flight training at night, but there is no Night Rating (there is a Private, Commercial, Instrument, Multi, CFI etc)

Don't get screwed. Check around here (APC) for "how i did it" stories from people. There are lots of different experiences, but they all give you good tips and a good sense of the track that you take when you want a "career" in professional aviation. I find that a lot of the students I train come in and say they want training to fly a commercial jet. I tell them they need to do more research and come back and ask for the ratings.

...Well, maybe not in those words, but you get the idea