Best value front-load washing machine under $600: quiet spin, high energy rating, reliable — what should I buy?

Best robot vacuum-mop under $600 for ~1,100 sq ft with a dock that washes and dries pads, for mixed floors plus a rug?

How can I compare real user reviews for washing machines on stain removal, noise, reliability, and repair frequency?

What should I check in dishwasher specs when shopping: water per cycle, noise, energy label, and drying method?

Best mini fridge under $150 with a small freezer: what noise level, compressor type, and measurements should I check?