so i posted about proxy pools before, but honestly been diving deeper lately and wanted to break down what ive found so far without the fluff. i tried combining residential, datacenter, and mobile proxies from different providers and honestly the results are kinda all over the place. some cheap residential proxies from one provider get me banned super quick on some sites but hold up well on others. datacenter proxies are cheap and fast but super obvious so they get flagged instantly unless i rotate them super frequently. mobile proxies? they seem promising but damn they're costly and sometimes still get caught especially on anti-bot measures. i built my own pool with a mix of a few providers but the key seems to be rotation frequency and fingerprint masking. some providers give you a ton of IPs but their rotators are slow or unreliable so i end up with IP leaks or detection. others have solid API setups but the proxies are low quality. imho, you gotta test each provider for your use case and don't just buy blindly, especially if scraping or anti-detection is your goal. also, adding in some custom user-agent and fingerprint spoofing seems to boost success rate but that's a whole other rabbit hole. anyone here actually built a real scalable pool that works across different use cases? i mean not just buy cheap proxies but really dialed in their setup?