No, used gym equipment is not available on Craig's List. You can find used gym equipment on other sites such as eBay and amazon for cheap prices. You are only able to buy normal sporting goods on Craig's List.
You can find used treadmills on such places like craigs list, but buyer beware at what you get when you purchase. You can go to reputable remanufactured companies such as fit4sale.com who specialize in remanufactured commercial equipment. They provide warranties and also have been in business for over 10 years.
Probably Craigs list or E-bay
Lots of websites offer good prices on used gym equipment. Craigs List is one well-known site. You can also check your newspaper's classified section. Abdominal machines work your abs.
craigs list
Cheap in price may mean cheap in quality. craigs list has many laptops at many prices. you should be careful when buying any used computer as there is no way to tell by looking if it is worth what you are paying.
dealer near you. example Honda powerhouse. or you can find them used online cheap on eBay or kijiji or craigs list
There are a number of places where you can find used fishing boats in Houston, Texas. Some of the best places to look are Craigs List, Boat Trader and Texas Marine.
http://motors.shop.ebay.com have a lot of listing and craigs list has a few
used. check craigs list in your city. See link
You need to check the craigs list city that is closest to where you live for this answer, or look in a range you would be willing to commute to to check. Avoid long distance sales because they are mostly scams though.
You can find used office furnature at sites like craigs list and amazon at a easonable price. If you are looking for new try furnature outlets in your area.
It is possible to find used 225 45 17 size tires on Ebay or Craigs List. Also check local recycle or junk yards to see if they might have used tires available.