To me this is not a mistake, it's normal for a bettor to try different selection options sometimes though not all options because most selection are very risky, so one will not be trying a risky selection just because he or she wants to try new things, with the littlevabkut bet, I believe that one may try new options and get lucky to win at the end of it all but as we already know what bet stands for, if we lose trying new options then that's it, after all bet has no certainty in it.
So sorry op for your loss but that's bet in reality, sometimes our decision while making selection of our bets deprives us winning but one thing is sure, we can't control some this things, unless we want to continue with our usual selection method but still non is sure what happens is that some selections are more likely to come as we predict them to be, the experience you got is common among bettors, many of us have experienced such and personally i see it as part of bet but for me, it will be better for us to go for options we are conversant with but whichever way that doesn't guarantee us wining a bet it only keeps us intact in doing what we already know.