And the lower risks you takes on your predictions is the smaller the game odds which you may demand higher stakes to secure an appreciative winning. Although there is still no assurance of winning here for winning in gambling is strictly game of luck.
This is all about you either faces your fears and ready to accept what it brings or you withdraws from your fears and minimizes the threats outcomes.
Theoretically the sweet spot would be in the 1.25-1.75 decimal range, as if you look at football matches for example - these can commonly be weighted towards the winning side. On the lower end of that spectrum, the bookmaker has pretty much defined that it will be a win and it would take a large upset to go the opposite way. Towards the higher range can still be likely to win the bet and it still comes with a very nice reward that almost doubles your money. However don't go too high, as you'll often find some very high odds on horse races for example, but that's because there are often some very far outliers who have a very poor history and are likely to under perform against top contenders.