Razor has about the cheapest, from 50$ to 130$-ish, but the best scooters are Phoenix, MADD gear, and district, but they're pretty expensive.
You can find cheap mobility scooters at http://www.scooter.com/. Another site that sells mobility scooters at reasonable prices is http://www.electric-motor-scooters.net/
You can find the best cheap mobility scooters at www.mobility-advisor.com/cheap-mobility-scooters.html. Another good site is www.scooter.com/ Most mobility scooters are comparably priced. And in most cases you can have the cost partially covered by medicare if you qualify.
I have owned both of these scooters and the pro scooters are much better, That's why they cost more than slam scooters.
craigslist, ebay, off the side of the road...
One can buy razor pro scooters for sale at various online websites such as toyshopdiscountone or amazon. One can also buy these scooters at ebay if they are looking for a second hand model.
Definitely Madd Gear scooters!
You may be able to find cheap mobility scooters in New York if you visit several thrift stores. Some websites may help you find one, and maybe even help you get one for free.
You can visit pridemobility.com to buy cheap mobility scooters since the site usually offeres discounts.
Ebay
me Russell Edmonds
Medical scooters are available from a number of specialist online retailers including Discount Mobility Direct, Betterlife and Value Mobility. There are also many listings for used medical scooters on eBay.
Madd Gear Pro (MGP) scooters are the best scooters world-wide.