With the sneaker resale market continuing to thrive, Business Insider is covering all aspects of how to properly scale a business in the booming industry. From which sneakers to purchase to necessary technological investments, made in the form of bots that entrepreneurs entrust to nab pairs online, the following covers everything you need to know about how to break into the market that Cowen & Co. estimates could reach $30 billion globally by 2030. Getting started Sneaker reselling is based on a simple concept that guides many other businesses: buy low, sell high. You'll want to figure out how to track expenses and figure out net profit on each pair sold. One entrepreneur who made over $125,000 in sales since January 2019 showed us his spreadsheet that he uses for tracking profits. You'll also want to figure out your strategy. While some people might prefer to invest in a few pairs and wait for them to grow in value, others utilize a high-volume sneaker resale strategy to make money by moving product quickly at slimmer margins. Lastly, it can be helpful to take a look at some up-and-coming sneaker resale websites to learn about new ways to make money in the industry.