The answer is product development. The formation of products with new or dissimilar features that agreement new or additional welfares to the customer. The product development may include alteration of an current product or its performance or formulation of an completely new product that gratifies a afresh distinct customer want or market place.
I think this is important without a doubt . You might need to use that money someday for yourself but won't have it because you spent it on a HUGE list of groceries. If you put some money aside for yourself, you will have money that your allowed to do anything with (saving, buying clothes, buying cars, etc.) You should always save some of your payment that way you always have extra money in case of any money emergenies or such.