Why You Need a Proxy
A proxy solves two problems: (1) it gives you an IP from the country you need (so the account and the ads look like they come from the offer's geo) and (2) it isolates each account on its own IP, so the platform doesn't link them into a farm. A proxy always works in tandem with an antidetect browser: the fingerprint and the IP must be aligned.
Three Types of Proxies
Mobile
IPs from mobile carriers (3G/4G/5G). The most trusted: thousands of real people sit behind a single mobile IP, so platforms almost never ban it. The downside is that they're expensive. Best for FB, especially for warming up and for valuable accounts.
Residential
IPs from real home ISPs. High trust, cheaper than mobile. They come either rotating (changing) or static (sticky). For arbitrage, get static residential proxies — each account should sit on a stable IP.
Datacenter
IPs from servers/hosting providers. The cheapest and fastest, but platforms detect them easily. They're suitable for non-sensitive tasks: spy services, browsing, registering secondary tools. For running traffic on FB, they're risky.
| Type | Trust | Price | Use for |
|---|---|---|---|
| Mobile | ★★★★★ | $$$ | FB, warming up, valuable accounts |
| Residential (static) | ★★★★ | $$ | core work, scaling |
| Datacenter | ★★ | $ | spy, browsing, registrations |
How Many Proxies You Need
The basic rule: one account — one IP. If you're running 10 accounts, you need 10 separate static proxies. Trying to save money by putting 5 accounts on one IP defeats the whole point of isolation: a ban on one drags the rest down with it.
Aligning the Geo — Critical
Everything has to match all the way down the chain: proxy geo = system language in the antidetect = time zone = language and addresses on the white page. The classic fail: a German proxy, but a white page with Ukrainian text and a Kyiv address → the moderation team sees the mismatch. That's why our landing pages are generated with real addresses, currency, and language tailored to a specific geo — so the page doesn't clash with your proxy (details are in the guide on domains and footprint).
Summary
For FB arbitrage, the basic stack is: static residential (or mobile for valuable accounts) + one IP per account + antidetect + a unique white page for the same geo. Cutting corners on proxies is the most expensive saving in arbitrage. Get landing pages for the geo you need on order or from the pool.