A PBN is built by acquiring expired or auctioned domains that still have authority and backlinks, then using them to create a network of sites that link to your main properties. The technical steps are straightforward: find domains with clean backlink profiles using tools like Ahrefs or Majestic, register them through different registrars, host each on unique C-class IPs, install WordPress or similar CMS, add basic content, and insert contextual links to your target sites. You'll need separate hosting accounts, different analytics setups, and varied site designs to avoid footprints that connect the network. The reality is that PBNs are explicitly against Google's guidelines. When discovered, they trigger manual actions that tank your rankings across all connected properties. Google has gotten significantly better at detecting PBN patterns since 2014—shared IP blocks, similar site structures, WHOIS connections, hosting footprints, and unnatural link graphs all flag networks. A single penalty can wipe out months of work and investment across dozens of domains. The economics rarely make sense either. Quality expired domains cost $200–$2000 each. Hosting 10–20 domains on diverse IPs runs $30–$100 monthly. Content creation adds another $50–$200 per site. You're looking at $5000–$15000 upfront and $500–$2000 monthly to run a modest network, and that investment evaporates the moment Google catches it. At Ottawa SEO, we don't touch PBNs for client work. The risk-reward is broken. One algorithmic update or manual review puts everything at risk, and clients expect sustainable rankings, not a ticking time bomb. We've seen competitors lose entire portfolios to PBN penalties and spend years recovering. Instead, we focus on editorial outreach, digital PR, content partnerships, and legitimate link acquisition that builds real authority. It takes longer, costs more per link, but the assets appreciate instead of sitting on borrowed time. If someone pitches you PBN links at $50 each, understand you're buying risk, not value.