Do you understand where your money goes? There are a lot of persons who complain about the shortage of money, or that they should earn more. But if we would ask such persons how much funds they need, we wouldn't get straight reply. They don't think about how much they have to pay for their invoices and some other everyday expenses. These persons don't really understand for what they pay the funds. If you are a sort of these persons you should start counting your funds.
Most of us make anything only out of habit don't trying even to find some variants or analyse the abilities. That is why there are situations when you get no money anymore and you would have your emolument in a week, event do not having a credit with high interest rates.
So, get special book where you will take down all the expenditures to the last cent. After that, start to write your expenses down dividing everything by months or quarters. You would find how much funds you expend and on what you spend it during some certain period of time. There are some expenditures that are related to some events and buying presents like birthday party, that happen not every month. For the first few times it is better to have checks for such expenses. This approach will help you realize all your expenses during a month, quarter or year.