For living units with compact balcony area and fewer glass panes, this package keeps the work content within a core scope so the resident does not pay unnecessary item fees for low-use areas. Covered content includes both sides of the main balcony light-giving glass, frame surface wiping, and quick dust removal from the bottom track. Screens, blind tracks and large glass railing panels are not included by default; if needed, the resident can add them separately during quote communication. Reference price range: compact balcony glass washing is about EUR 50-90, a common range among entry-level bookings. Streamlined does not mean key steps are skipped: glass is still handled on both sides, and the track still receives basic dust removal, it simply does not pack add-on items into the base price. The custom logic is on-demand combination: the resident first gets the base quote, then decides whether to add items according to actual balcony condition, the deposit and balance ratio and time points are fixed in the confirmation sheet, and later added items are merged into the same booking by supplementary confirmation rather than starting a new flow.