I mean when you see an odd of 1.01, it means that 99.9% you should win with that odd, but that 0.1% chance may trigger one day and gamblers may lose all their life savings as they tend to put more money on such odds.
Considering the house edge of 5% on Freebitco, if you set the bet odds to 1.01, the probability of winning would be 94.06% and there would be a nearly 6% chance that you lose the bet.

It may worth mentioning that the chance of winning can be calculated as follows.
Chance of winning= (100 - house edge) / odds