I have been using the Instagram01 service for a couple of months now. During this time, I have noticed both positive and negative aspects. The positives include: responsive support that quickly addresses issues, reasonable prices, a quality audience (compared to other services, I had the least number of unsubscribes here), and the service matches its description. As for the negatives: there was one time when the service was down, and I naturally started to get anxious. It turned out that it was a DDOS attack. But everything is fine now.