If you’ve found a winning creative, that doesn’t guarantee stable performance — everything depends on the infrastructure behind your ad accounts. In this article, we break down why most campaigns fail not because of creatives, but because of proxy choices, and explain the key differences between ISP and residential proxies. You’ll learn which proxies work best for long-term account farming, which are ideal for scaling and testing, and how to build a setup that keeps your campaigns alive longer and generating consistent profit.