A financially independent 24-year-old who has built multiple businesses around Amazon explains the 3 different tiers of selling there — including the low-cost strategy anyone can use to start making money online

After trying several side hustles, from drop-shipping to forex trading, Jatin Naran exhausted his savings.

“I was 20 and in 4,000 pounds of debt,” the London-based entrepreneur told Insider about his nearly $5,000 liability. He took out a loan to cover his living expenses and went back to working in IT, a job he’d quit to pursue entrepreneurship. He was also completing his degree in computer science at the time.