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PurpleMark guides for browser profile isolation, proxies, multi-account operations, and team collaboration.

Three Sources of Proxy IPs and a Buying Checklist

Proxy IPs differ not only in price but also in how much they resemble ordinary users to a platform. This guide compares datacenter, residential, and mobile IPs, explains how to match them to target region, stability, and concurrency needs, and lists what to test before buying.