Money Manager

This extension is used to manage your budget. With this extension the user can set his/her budget and then spend the money. This extension will let you know how much money you have left and how much you've spent. You can also reset the money you've spent.

Since it has the functionality to appear in the context menu, the user can go on shopping websites and can select the price of the item, and then right click on the number and select spendMoney option to spend that much amount.

This extension will give out notifications when the user have spent more money than they have allotted also when they have done the reset. So, you can set your savings as your budget and when you spend more money than your savings you will get notified.