"Buying and selling jobs" is a Chrome extension developed by nnsoftware. This free tool falls under the Browsers category, specifically Add-ons & Tools. The program aims to assist job seekers in quickly calculating the necessary expenses for any job, along with providing job references. Supported job types include construction workers, hairstylists, kitchen staff, bartenders, tutors, receptionists, general laborers, and domestic helpers.

To utilize the application, follow these steps: Install the extension like any other Chrome extension, click on the extension icon in the toolbar, select the desired job type, input the number of applicants, and click to calculate. The result window will display the estimated salary reference for you.