First of all, *hugs*
Now for advice:
1) If you search Chalkbucket with the word "flyaway" many threads that come up will have to do with blocks. These threads are filled with advice and tips that have worked for many people. You will find that this is a very common skill to block on and...
I saw in the table of penalties awhile ago that 0.3 is the maximum reserved for a huge hop or step around a yard long. I though the vault scoring at that meet was a little different than how the same vaults would have scored elsewhere.