👉 Gainliness is a concept in accounting and finance that refers to an individual's ability to earn more money over time by increasing their income or assets. It involves calculating how much additional earnings one can generate on top of what they already have, typically through a combination of work, savings, investments, and other sources. Gainliness can be measured in terms of the percentage increase in income or asset value over a certain period of time. For example, if an individual has been saving money for several years but