Grasping the hidden issues in a typical market economy can be challenging. Addressing a widely recognized problem on today's global agenda is even more complex. Necessary evils reveal their deep and hidden connections through various mechanisms. This text aims to identify these evils and explore their depth and interconnections using economic justifications and reasoning. It is important to note that this book may not solely rely on conventional orthodox approaches to understand the financial behavior of the current global economy. It may also incorporate insights from a few unorthodox disciplines to examine the world's economic characteristics and progress. This book comprises five equally important chapters that explore the depth and context of three necessary evils: human labor, taxation, and the shadow economy. These chapters will illustrate a collaborative approach to the final chapter, which addresses capitalism, the ultimate yet necessary evil. This will be a straightforward attempt to address the current reality in the ongoing discourse between orthodox and heterodox approaches to recognizing and describing contemporary domestic and global economic agendas. Individuals interested in exploring unorthodox economic reasoning can use this book as a source of inspiration. Furthermore, this academic effort engages with profound, well-known economic matters attached to a more experimental way of reasoning and generalization. Hence, this book welcomes and encourages scholars to comment, criticize, and further apply their ideas. ""Labor supply, taxation, and the shadow economy are three flatworms in the stomachs of capitalist systems, siphoning off all the nutrients while displaying the profit sign; the marginal gains at every turn""