Buying guides, monthly price indexes, and everything you need to buy and sell used with confidence.

Moving large equipment into a basement comes down to three measurements. Which machines come apart, why a treadmill is hardest, and how delivery and setup work.

A used Hot Springs hot tub runs a median near $6,450. Which collection to buy, what actually breaks, what to inspect, and what to pay by line and condition.

A vibration plate for seniors helps balance, not strength. What the research shows, frequency explained, handrails vs bare plates, and used prices.

A zero gravity recliner raises your knees above your heart to take load off your spine. Power vs manual, lift motors, fit specs and used prices.

The best walking treadmill for seniors is usually a walking pad, not a full-size treadmill. Speeds, safety, storage, and what used ones cost.

The best home gym for seniors is a cable machine that starts light and seats you properly. What to buy, what to skip, and what used ones cost.

Buying a golf cart for a 55+ community? Your community rules decide speed, lights and titling. Here is how to pick seats, range, batteries and price.

A massage chair for arthritis lives or dies on three settings: roller depth, airbag placement and heat. Here is what each does, and what one costs used.

Tonal for seniors comes down to one-pound increments, Spotter mode and whether your wall qualifies. The weight range, the programs, the subscription, and what a used Tonal costs.

The best ebike for seniors is a Class 2 step-through with hydraulic brakes and a weight you can hold up at a stop. The specs that matter after 60, and what a used one costs.

The worst exercise machines for knees are the leg extension, the deep stair climber and the incline trainer. What to skip when buying used, and what to buy instead.

Choosing a hot tub for arthritis comes down to step height, seat depth and where the jets point. What to check, what used ones cost, and who should ask a doctor first.

A jet ski with trailer for sale asks about $8,400 at the median, barely different from one without. What the package costs and what to inspect.

A used Bennington sells for about $9,999 and a Lowe for about $3,500. What each pontoon brand really costs, plus the engine and tube checks that matter more than the badge.

A barrel sauna sells for about $4,250 and a portable steam tent for about $80. Both show up under 'used sauna'. Here is what each type really costs.

A Club Car Onward sells for about $10,824 and a Club Car DS for about $4,074. Model matters more than brand. Here is what each one goes for, from completed sales.

Choosing a sauna at 55 and up comes down to door width, bench height and a flat floor. Infrared vs traditional, the electrical work, and what used ones cost.

The best rowing machine for seniors is the one you can get off without a hand on the floor. Seat height, resistance type, back safety, and what one costs used.

Searching jetski for sale near me sorts by distance, not value. Median asks swing from $4,225 to $15,400 by state. How to shop the whole market instead.

A used Seadoo jetski asks a median of about $12,712. Which model fits which rider, how many engine hours is too many, and what to check before you pay.

Stride length, step-on height and the lowest resistance setting decide whether an elliptical helps a bad knee or aggravates it. What to check, and what one costs used.

Most people over 55 are better served by a recumbent than an upright, and some by neither. The three specs that decide it, and what a used bike actually costs.

Peloton doesn't sell a refurbished treadmill. Here's what a Peloton refurbished treadmill really is, what the warranty covers, and how it compares to used.