In as much as we know that gambling is luck dependent majority of the time but then it's important to give ample time to analysis id you must get desired results because if you rush into it sometimes you may do haphazard analysis which may cost you the game of which you would have won if done carefully.
Actually it depends on the game you are doing because after all it is the luck factor that is in control when we play for casinos and there is no denying about it even though there are some things that are done that are considered as research but when in a casino like slot games things like this in my opinion it is too much of a waste of time because after all it depends on the luck we have.
But it's different when we play at the sportsbook then research is also an important factor because after all even though sometimes there are some unexpected bets but at least the biggest possibility when doing research starting from statistics and the history of previous matches it can be a benchmark so that we can be sure that the bet to our favorite can be more confident considering we already know from several factors such as previous statistics.