That is true about the amount you can earn with gambling, no matter how long you are a gambler or you have a lot of experience. But if you are not lucky at all then you are going to lose. Unlike those newbies that have a very lucky aura they can earn as many as they can base upon to their aim on how long they are going to gamble.
But with some experience they know what thing that you should do in order to win although if you are no luck. But mostly in gambling no matter what you do you will always need luck to win more even newbie can hit some huge winning though because of some of their luck
Well yeah for those experienced ones there are going to do that and they have an alternative if luck is not with them. And it is going to be just an easy way for them since they are not depending on luck so they can possibly earn bigger amount of money with gambling. But I think setting a range of $20 a day is very possible at all.