I have fallen a victim towards making wrong bet based on the fact that I looked at someone's bet and change one of my game result. After the match ended, I regretted my actions because all the matches came out as predicted but only the one that I changed cut my slip. My friend that used exactly what I predicted and didn't change any of the game, won his bet. It was a bad experience.
That has happened to me too but it was long time when I was still learning how to predict games by my self, so I after I made my analysis and came up with my games, I decided to make some adjustments based on the games of my relative but what happened was that I lost the bet due to the games I added from him. Like I said before, if a bettor actually took his or her time to make analysis and came of with good prediction, there's no need to check another persons bet.