SouthPStitches

Hi All: I've been reading some of the entries about starching and the likes. Have quilted for 30+ years and until I joined the QB, never knew that it was used as far as quilting goes. For that matter, I'm still not sure if I 'm understanding the concept for sure. I bought a bottle of the Bounce Ironing Spray this afternoon. Do you:

1) Spray down and iron the fabric to stabilize before you rotary cut it for better precision in cutting?
2) Use it on completed blocks if they are wonky, trying to force them to behave?
3) Use it just to add in pressing for a flatter quilt top?

Thanks for your patience and input.