Auto Zone, Pep Boys, Goodyear, Walmart and Sears has cheap car parts. You can also go online and check up under car parts to see who sells cheap car parts as well.
Salvage yard
Popular Mechanics has a guide on their website entitled Junkyard 101: How to Find Cheap Car Parts. Additionally, Car Craft also has such a guide, entitled Junkyard Engine Spotter's Guide, which focuses on cheap car engine parts rather than overall car parts.
"BestPartStore" is an online store that offers cheap, quality parts for all makes and models of cars. They sell Citroen Saxo car parts, as well as car parts for other Citroen cars.
Hey, you can visit Driven By Style where you can find all car parts online including car wheels accessories.
You can find cheap Auto parts in Cincinnati, Ohio by visiting your local car parts seller. Perhaps you can also find some in local flea markets, they might just be used, however.
You can find discount car parts as cheap as possible on www.ebay.com. Be sure the check the reviews and ratings on the user prior to buying to ensure you're getting quality products.
Probably just car parts. Or, if you can find a cheap used car dealer you could get the crappiest car for maybe $250
You can find plenty of good deals for BMW car accessories on amazon. You might have better luck on ebay, though. I would recommend amazon for new parts, but ebay for cheaper parts.
One can search for cheapest auto suppliers from following sources: Car Parts 4 Less, Euro Car Parts, Car Vision, Super Cheap Auto, Auto Parts Warehouse, Discount Auto Parts.
Ebay is a great spot to purchase cheap car parts over the Internet but you could try CraigsList or Amazon.
Take a look at Rock Auto: http://www.rockauto.com/ They have excellent prices for lots of parts, it's the main place my immediate family gets cheap car parts, and I'm sure you will find it satisfactory.
One can find parts for antique tractors at chop shops that sell used vehicle parts. In addition, one can search at used car lots for cheap parts for tractors as well, although they might not have tractor parts.