The machine picks
Two machines anchor this range, and they serve different buyers. The at $139.99 is the full-size option: a 3.0 horsepower motor, running and walking modes and a manual incline range to 15 percent, which puts real running capability and hill work into a budget frame. The at $142.99 is the under-desk machine: slim enough to store under a standing desk, rated for both under-desk walking and light running, and black to blend into a room rather than announce itself as gym equipment.
Both listings sit under $150, which is remarkable for the category and worth a careful read of seller terms, condition and warranty before purchase. Budget treadmills in this bracket are light frames, so they suit walkers and lighter joggers more than heavy daily running; pair either machine with the floor protection below and the frame will last considerably longer.
Floor protection and mats
Every treadmill needs something between it and the floor, for three reasons: the deck transmits impact noise into the building, the belt throws dust and grit, and a bare machine on wood will scratch. The cheapest fix is the at $18.94. The at $22.89 and the at $25.56 use modular tiles, which lets you cut the shape to fit an awkward footprint rather than buying one oversized rectangle.
Full-size single mats run from the at $32.79 and the at $33.59 through the at $34.64, which adds density where noise matters most. Apartment dwellers should look at the at $36.30 and the at $35.18, both aimed squarely at downstairs neighbours. Multi-machine households can share the at $37.01 or the at $38.84. For machines on carpet, the at $45.89 adds a quarter-inch barrier that stops the pad sinking into pile, and the at $56.53 and at $68.83 cover the premium end for buyers who move the machine regularly or train in humid rooms.