Craigslist has an extensive list of used exercise equipment so you may get lucky that way. Also try Ebay but the cost of shipping may be prohibitive and offset any bargains you may have. You can also try thrift shops, flea markets or garage sales in your area.
If you are looking for a second hand one then Gumtree is a popular website for this with various listings. If you however wish to purchase new then I would say to try Amazon because if you buy direct from amazon you can get free shipping.
One can find treadmills on sale online at Amazon.com, nordictrack.com, and Walmart.com. These sites had reasonably priced gym equipment upon research of this question.
Ebay has lots of used treadmills for auction or buy it now.
I do not know where you can buy a cheap Free Motion treadmill. You can check local stores and also check online to see if you can find a cheap good deal.
You can buy a second hand treadmill, if you don't mind. The second hand treadmill is very cheap and is in good condition. You can find this type of treadmill in the downtown of our city and at a half price of its new type.
You can get a used treadmill from eBay. There are also a number of used treadmill on Amazon. There are exercise machines for decent prices, depending on what you're looking for in both places.
There is an old axiom that you get what you pay for. A treadmill with a warranty is unlikely to come cheap, and a cheap treadmill is unlikely to come with a warranty. Your best chance would be to visit a secondhand sporting goods store and then try to negotiate for a warranty. Your only option is to find a treadmill that still has it's orignal warranty left on it. Otherwise there are no companies that specialize in used treadmill warranties.
The most economical place to find cheap gym equipment is on eBay or craigslist or any other venue to purchase used equipment.
You might be able to pay less for a better brand of treadmill if you consider buying used. If you prefer to buy a new cheap treadmill, go to a store where you can test it out, and read online reviews to see how others feel about the brand you are considering.
You can buy a used treadmill at Garets applicances, in Erie, PA.
There some good pre owned treadmill that you could buy from garage sales or from a thrift store. You could also check out amazon.com or eBay for a cheap new treadmill.
I am not sure where to a buy a cheap or second hand Vitamaster treadmill. You may want to check local thrift stores or yard sales. Check online by conducting a search to see if any are available.
eBay is a great way to find new or used, cheap wakeboards.
Both can be found for extremely cheap prices at local garage sales or on craigslist. However a treadmill will on average be cheaper than an elliptical.