Sports betting can be profitable, but most bettors lose money, which is why sports bookmakers exist. Sports betting is not always profitable because it goes against your favor because of the bet. Card counting is probably the best way to make money with the game. On the other hand, the practice involves some degree of risk, particularly to the extent that casinos intervene to expel you from the property.
There's no guarantee that you'll end up winning a lot of money before a casino catches up with what you're doing. Every player wants to make a profit. But this is very difficult to do if you consider that the casino has an advantage in most games. Of course, you can use a combination of luck and skill to earn more money.
But relying on luck is a terrible way to make long-term profits through gambling. Those who make the most money from gambling are people who own gambling businesses. Casino owners, gambling hall owners and bookmakers are the people who make the most money. You can start your own gambling business legally or illegally, but either way, you can make money.
Some people who read about how to make money gambling are looking for a way to make consistent money in the long run. If the difference is big enough, you can bet at both bookmakers on opposing players so that whoever wins the match will win money. The constant stress of playing with an advantage and the need to win a certain amount of money each week can make you take a toll. In fact, it's very easy to make money with arbing, but it's much harder to stay under the radar and keep your accounts from being closed.
Roulette, Baccarat, Craps and Sic Bo can all be played to win, although you shouldn't expect to win a lot of money. If you really want to make money by “gambling”, you'll have to take the game out of the equation. The card room earns money by taking a small percentage (usually 5%) of each pot in exchange for hosting the game. They're exchanging money for entertainment, and as long as that doesn't get out of hand, that shouldn't be a problem for anyone.
It's very useful to have a Betfair account and you can use it for other ways to earn money by betting. Bookmakers make money thanks to big guys, casinos are guaranteed to make a profit due to the house edge, and poker rooms receive rake from every pot. So, if I offer you 1.90 (decimal odds) for each coin flip, your money will end up in my pockets after 200-300 coin flips. It takes constant and endless improvement to make money as a professional poker player, but it's worth doing.
But the lines and odds of the books are sometimes wrong, and if you can spot those situations, you can make money in sports betting. You can make money from a stock that crashes or soars, but you need to know how to spend your investment capital. Any reputable guru who wants to tell you how to make money by betting will always tell you that there are no guarantees in life, and that doubles for gambling.