Odds given by a match depends on how the house edge handles winrate. For instance for some the odds can be slightly higher in other platforms from what i've experienced. Your technique is doable but this type of bets can be risky according to the photo shown above. What site are you betting on, by the way?
Exactly, the only way that I can think that you can get a best odds is when you are playing arbitrage and you are playing at multiple sports betting websites. I am not really playing a lot of sports bet so I am just saying what I have seen in this forum and what my friends advice my other gambling friends when it comes to sports betting.