Traditionally, bookmakers give the odds and the rest of us have to go with what they offer.
For those of us who like the occassional punt that sucks, because a lot of the time we know we should be getting better odds.
The internet has changed all that, because companies like Betfair have stepped in and levelled the playing field for ordinary gamers.
** Remember, betting and gambling should really be done for fun, and you can (and probably will) lose in the longer run. Only risk what you’re prepared to lose for a laugh