Is there a negative side to walking (or manipulating) a reservation?

[DeerIsleDisney]

I got all five nights I wanted at BCV!! Yay!! I called member services at 9a.m. and it was no problem to have them change the reservation dates.

 

[cz4ever]

I got all five nights I wanted at BCV!! Yay!! I called member services at 9a.m. and it was no problem to have them change the reservation dates.

Congrats! And thanks for the insight regarding what's possible walking-wise.