At low volumes, feeding HTML into an LLM for extraction looks like a reasonable shortcut. At 50,000 pages a month, it stops looking reasonable entirely. The problem is not that LLMs extract data poorly in every case. The problem is that their cost model scales with token volume, and web pages are large. A realistic full HTML page averages around 572,000 tokens. At that size, even the cheapest nano-class models charge roughly $0.03 per page. At 120,000 pages a month, that is $