RV parks do not honor advertised rate when booking?

Never experienced this and we have stayed many times at Flying Flags, BUT our reservations are seldom even months in advance. One of the challenges is the long lead time. They could just say we take reservations up to 90 days out and guarantee the rate or they will hold a slot for you for up to a year but subject to change.

Things like our draught that drove up water casts for everyone they can't foresee a year in advance.