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

Every category gets its own driver course and quiz. Ari Kimmelfeld on The Circularity Catalyst on how Commonplace drivers learn to move, inspect, and set up big items.

Few local listings, items that do not fit in a car, movers who will not touch them, and paying a stranger thousands up front. Ari Kimmelfeld on The Circularity Catalyst.

A used Whirlpool refrigerator runs about $1,135. Which models to look for, the 2018-2021 wire harness settlement, a ten minute inspection, and what to pay.

A used Bosch side by side refrigerator lists for $1,400 to $1,625 vs about $1,940 new. How to check fit, test the weak points, price repairs, and move it.

A used 2022 Club Car golf cart lists for about $7,810. Onward vs Tempo, fleet carts coming off lease, what to inspect, red flags, and fair prices.

A used Yamaha golf cart runs about $7,551 in 2026. Drive2 vs G29 vs G-series, what to inspect, common problems, and a fair used price vs new.

Used Cybex Arc Trainers list for $725 to $2,075 against $3,000 to $10,000 new. Which models to buy, what to inspect, the power question, and whether a 400 lb machine fits your home.

A used American Cryo SubZero lists for $6,555 to $7,900 against $8,499 new. Here's what it is, which version to buy, what to inspect, and the CO2 detail most listings get wrong.

Used furniture in NYC: where to buy, real used prices (sofas about $825 to $1,630), bed bug and frame checks, walk-up measuring, building COI rules, and getting rid of the old piece.

Shopping for a used Smith machine for sale? Angled vs straight bar path, real bar weight, a 7-point inspection, commercial vs home brands, and real used prices ($900 to $1,600 commercial).

Sole E95 review for used buyers: E95 vs E35 differences, what to inspect, real used prices ($825 to $1,925), parts availability, and moving one.

The best vintage rowing machine is an older Concept2 or wooden WaterRower. Which models to buy used, which to skip, what to inspect, and fair prices.

Most buyers do not know what to look for in a used hot tub or sauna. Ari Kimmelfeld on Office Hours on how an inspection before pickup keeps you from buying a lemon.

Most buyers are not hot tub experts. Ari Kimmelfeld on Flock and Gather on what an expert inspection checks, and why you should not pay in full until it is running.

Commonplace is a marketplace like Facebook Marketplace, Craigslist and OfferUp, built for big items, with pickup, inspection, delivery, secure payments and a warranty handled.

Buy a used hot tub only after an expert inspects it and you pay once it is running at your home. Ari Kimmelfeld on Flock and Gather with Allan Share.

Ari Kimmelfeld's one decluttering tip on The Declutter Queen: a monthly session on the calendar, so the big stuff never piles up before a move.

Facebook Marketplace and Craigslist sales are usually final. Ari Kimmelfeld on The Declutter Queen on how inspection makes a warranty on secondhand items possible.

Couches, armoires, and pianos are the last things to go before a move. Ari Kimmelfeld on The Declutter Queen on selling heavy furniture without Marketplace no-shows.

Commonplace started with Pelotons that sat unused after COVID. Ari Kimmelfeld on Office Hours and Flock and Gather on how it grew into a marketplace for big secondhand items.

A big used purchase is safer when an expert inspects it first and you pay only after it is delivered. Ari Kimmelfeld on Office Hours with David Meltzer.

Sell a couch, piano, or other heavy furniture before the movers come, without no-shows. Ari Kimmelfeld on The Declutter Queen with Avery Cundill.

Ari Kimmelfeld on Flock and Gather: what white-glove delivery means for a Tonal or a hot tub, and why you test it before you pay in full.

Best home gym system, Peloton vs NordicTrack, bought used: memberships, real used prices, which models to look for, red flags, and which system fits you.