window_cleaning_2026 0.1.0

A lightweight cost-estimation engine for commercial window cleaning jobs. Models labour rates, access-method difficulty (ground level, ladder, boom lift, rope access, swing stage), service scope, cleaning frequency discounts, materials surcharge, and profit margins. Built by Binx Professional Cleaning — a WSIB-covered, fully insured commercial and residential cleaning company operating in North Bay and Sudbury, Northern Ontario since 2013.