Think in jobs, not products
You need a way to remove dust, wipe surfaces, clean a bathroom, and manage the occasional spill. The goal is a small set of tools that handles those jobs, not a separate bottle and machine for every room.
Give detail cleaning one place
A pair of small brushes handles window tracks, faucet bases, and other narrow edges. Store them with the bathroom supplies and keep them separate from kitchen food-contact tools.
Check your fabrics before using water
A portable upholstery cleaner is not automatically right for every sofa. Read the manufacturer’s fabric-care tag; some materials require solvent cleaning or professional care.
Buy for storage reality
The best tool is one you can retrieve and put away without reorganizing a closet. Measure shelf height and factor in drying space for attachments after use.