One of the main advantages of buying Instagram accounts is that your account will have a higher engagement rate than the newly made accounts. The high follower ratio would attract more customers. You will have high authority because of your account’s age. Moreover, it takes many years to grow an account, buying an account would make things run fast and you can just start doing your business with a good number of followers. More impressions would be made and your account will already be on explore pages ultimately leading to more traffic on your account.