Firstly if you are planning to earn money through betting then set a target for how much you want to earn. You must also have a fixed time frame for winning that amount. For example you want to earn 5000 dollar over a period of six months or a year. Even for fixing a target you need to do some research and see how the other experts plan.
In order to win, you need to be methodological and apply some strategies. Strategy in the game of betting depends on the experience level. If you are new then it will be difficult for you to plan one because you have still not reached to the level where you can read your opponents body language. Beginners can start with some tried and tested strategies provided by experts.
Money management is yet another skill important in the field of online sport betting. When you start a business you need an amount of money as initial investment. Same is the situation with betting. How much money you want to pump in depends on your risk taking appetite but managing it in order to win is something that you must learn.
You must be aware of the different kinds of bet. Also know the difference between them. This will help you analyze the bet where high risk is involved. You must also have an adequate knowledge of excel spreadsheet. This will save your time in calculating formulas, winning amount, and also help you keep a record of wins and loss. If you are good in excel you can monitor your fund value which will help you decide if you want to play further or not.