Then you should talk to the FA offices at the schools in question and ask why there is such a discrepancy.
Can your net price be 3 or 4 times higher in a subsequent year? Sure. But nobody here can tell you how likely it is for that to happen to you, without knowing a whole lot of information about your family’s financial circumstances over the past several years, this year, and the coming years, plus the schools you are looking at.
If you ask general questions, you will get general answers. If you want specific answers, you are better of contacting the financial aid offices.