Being able to balance income with outcome will allow you to know how much from your salary isnt used to pay bill,soo those money need to go to saving and pleasure a part from both.
Yes there are plenty of excel spreadsheets online which you can use to monitor your income and outcome. From there you only have to make sure to make sure to cut back spending so you can safe more money. The more you save the better.
So avoid buying useless gadgets etc.
And you have to follow this guide religiously because this guide can only go so far. If you don't follow it, and fall victim to temptation then it will be useless. Yoh will just buy gadgets and useless things and all your savings will be gone. Discipline.is a must if you want to save money.