Cutting LLM tokens 10x for AI browser automation

Last month I was building a browser-automation pipeline for an insurance-quote aggregator — a freelance gig that needed to fill forms across 20+ provider websites. I picked Stagehand because the act() / extract() API looked clean. Two days in, the Gemini bill was at $60 and I'd only automated three sites. I dug into the token accounting. Stagehand was sending the entire accessibility tree of every page to the LLM on every action. For an Amazon search-results page that's ~50,000 tokens per deci...