I have purchased accounts for my projects several times. It is important that the account has an active audience that corresponds to your target group. It is also worth checking the history of the account and the activity of subscribers to avoid fraud. Guarantees and reputation of the seller play a key role. I can recommend the site Accsmaster. They offer
social media for sale on various social networks, including Instagram. I have bought accounts from them several times and have always been satisfied with the quality and service. They provide detailed data about each account such as number of followers, activity, posting history which helps a lot in making a decision. They also give guarantees on their accounts, which is important to protect your investment.