no where
You can go to ebay and get one for like 110$ or put an add on facebook
A good sale price for the Nintendo DS Lite is around 100 dollars. The game system is starting to get old but it still has a lot of value and shouldn't be sold under 100 dollars.
100 dollars
You can occasionally find them for under $100 on cragislist. You might also find them for under $100 from a rescue center.
Costco
You can get them from eBay or http://www.orgxiii.org
e bay
No. A DSi is worth mabye 50-100 dollars more than the Lite, and I doubt you'll find any place that will let you do this. However, if you sold your DS Lite, and came up with another 100 dollars seperately, then you would be able to buy one. -EML
Yes! Best Buy carries car stereos as low as 35 dollars, such as the Pyle 100 Watt. However, it also carries over fifty other varieties for under 100 dollars, which you can find and purchase in stores or online at www.bestbuy.com.
Yes, you can find Sony boomboxes for under $100. I personally searched for them on google.com, and I found several types under $100. One for $49 and one for $50 were included.
Ebay, or Amazon.
you would get about 190 dollars if not 100