Financial choices revolve around three primary decisions: spending, saving, and

borrowing.

When you have money you have to decide whether you want to spend/invest it or save for future spending. If you save it is because you can earn interests and increase the value of your money.

Yet, you have a third option to consider. You can borrow money. Whether it is better to borrow money to spend today is a financial issue, and the convenience will depend on the cost of that money (the interests that you have to pay to the bank) and the benefits of using it. 

They are enjoying the advantage of independence while running their own small business. they can go where they want when they want to, because they control the restaurant's hours. they can also make time for life emergencies, and set the hours to be when they do the best cooking.