To determine the profit margins for your different dropshipping products, you'll need to calculate the cost of goods sold (COGS) and subtract that from the selling price. The resulting number is the amount of money you make in profit on each product sold. This calculation will help you determine which products have higher profit margins so that you can focus on selling those items. Additionally, you'll want to factor in any additional expenses such as hosting fees, payment processing fees, shipping costs, marketing and advertising costs, and the required taxes and other financial considerations. This will help ensure that your profit margins stay profitable over time.