You can go to Amazon.com and search for used parts and equipment.
You can find construction equipments for sale from the following sources: Machinery Trader, Construction Sales, Equipment Trader Online, eBay, Victory Equipment, to name a few.
You could find cheap exercise equipment at the following places I found online . Eby.com , or amazon.com , or bestbuy.com , or sears.com . www.rockbottomfitness.com/
You can go to www.constructionequipment.com/ or en.wikipedia.org/wiki/Heavy_equipment_(construction to find out a lot more about construction equiptment.
You can find home improvement guides online at the remodeldesign website. If you wish to find places to purchase items for home improvement then using a Home Depot store or their official website would give you a wide range of tools and materials.
Government surplus stores are a cheap place to find used furniture and equipment. In addition you can check with manufactures to see if they will see you refurbished equipment at a discount.
There are many different stores which you can find cheap office equipment, not only 'office' based stores either. If you are looking for office furniture or copy supplies Walmart is a great choice.
You can find more information on construction equipment leasing online through websites such as National Funding, Balboa Capital, and Nolo. You can also contact your local bank or credit union to ask for funding options there.
You can find affordable lighting gels for photography equipment at online stores like Amazon, BH Photo, or at local photography supply stores.
You can find cheap golf equipment at Dick's Sporting Goods. I bought a golf club from there a year ago.
There are many online resources. You can try a Google search, or check out http://www.farmauctionguide.com/
There are several well known online retailers that sell a wide variety of both new and used excavating equipment, including Iron Planet, Construction Equipment, Rock & Dirt, and Ennis Equipment. One can also rent excavating equipment online at Neff Rental, Sunbelt Rentals, and United Rentals.
You can find a cheap used backhoe online at ebay or amazon