Messed up here , but not a Total Mess.

I'm trying to get $6 on Betfair, and at last seconds to go , I can't get it , yet it is showing close to $7 on The TAB.
So stuff it , I cancel my bet and bet on the tote.
Then I check again on Betfair, and now there is plenty of $8 available.
I ended up taking $3 less than I could have , but I could have ended up with nothing to nothing I guess.

This is yet another drama associated with Greyhound betting.