The easiest way to know your budget is to chalk down the monthly expenses, and prepare a budget for everything. For example, everyone knows in prior when a certain festival or an important event is going to happen. So, instead of letting the special date hamper the budget, it is good to keep a certain amount of money spared especially for it.
Before investing in the stock market or buying a property, millionaires always prefer to have thorough knowledge about it, and like to put their stakes on the right horse only. Though risk taking is inherent to them when it comes to business, but, on a personal front, they are always cautious about the market, and are big risk averts.