That is true, having faster fetching prices is the priority and the base for further evolution of the software. All comments I made are based on changes occurring in 10-30 sec time windows and the speed of update is crucial.
Example:
I got a bet signal, immediately went to bookie, to see that odds have been changed. Software deleted the bet after 40 secs. ( too much delay). It probably had the same delay in receiving the bet, that’s why bookie had already changed it.