With Margin is a straightforward yet effective profit and loss estimator providing anyone on the go quick access to determine a find as a possible hit or miss. Utilizing fixed or percentage-based costs, quickly enter your reasonably educated guess for the amount it could sell. Next, subtract shipping, item cost, marketplace fees, and payment processing fees (if applicable). If profitable based on your industry knowledge, you can quickly act upon it. Tip: While using the Custom calculator, tap the percent (%) icon to turn the line item value into a percentage rather than a fixed cost; this is useful for percentage-based fees. Thank you for downloading With Margin!