A company that is geared toward handicap accessibility would probably sell wheelchair vans. Such as Rollx van.
Owners often advertise a domain for sale through a company that sells domain names rather than advertising directly. The company would do the marketing and complete the sale for the owner, as the owner usually doesn't have the expertise to do so on their own.
To get the biggest audience you might want to try to general auto sales website like Carsoup.com, as most people will start their search at a site like that.
The best place to advertise a Chevy Blazer for sale would be on the auction site eBay. Or, advertise the vehicle in the local newspaper or auto trader newspaper.
I would advertise your private jet on ebay or on craigslist. Or if you wanted something for specifically advertising jets for sale I would try aerotrader.com which specifically advertises jets for sale.
You can advertise a camcorder for sale online at classifieds websites such as Craigslist. You can also advertise this item for sale on auction websites such as eBay.
You can advertise the old rims of your vehicle on WeAdvertiseOldRims or on Craigslist. Another option would be to put up posters in your neighborhood.
Craigslist a great website where you are able to advertise farm equipment for sale.
Craigslist would be a good place to start.
One can advertise a futon for sale online on websites, such as Futon Magazine, Yellow Pages and Insider Pages. There are different ways to advertise a futon.
The best place to advertise a Porsche for sale would be in car enthusiast magazines or classic car magazines. One could also advertise locally in the newspaper or at a local car show.
One could place an ad in the classified section of a neighborhood newspaper to advertise a notebook for sale. Tom's Hardware and Music Magpie are online websites where one could advertise this item for sale.
If you have a carpet cleaning business that is for sale then you could advertise using email marketing software. Another recommended place to advertise would be a local newspaper.