Some places to look to find a Xbox 360 for less than 100 dollars would be online auction sites like eBay or at local yard sales. Looking in the newspaper and online at Craigslist might also be good places to find cheap Xbox 360s.
The Xbox 360 arcade unit is currently priced at $199, so it is possible to buy a 360 for less than $200
eBay or Craigslist
Probably Amazon.
Walmart has the seasons for 15 - 30 dollars a piece
Video game stores such as Game Stop or EB Games may have PSP systems for less than $100 dollars. The PSP was first released in 2004.
You can find garmin nuvi GPS systems for less than $100 online. Also you can find them under $100 at Sears.
You can find it in target or others stores. Some cost less than 5 dollars.
At this point, original xbox games should sell for less than 10 dollars. It's been long enough since the 360 release that most older games will be worth under 5 and then even less depending on the condition.
Since there was a recent price drop you can get an Arcade version for $199. But if you want a hard drive you will have to pay more. Look for used 360s at gamestop or eb games to see if they have any cheaper ones.
$100 dollars more... xbox 360 4gb- $199 ps3- $299 but you could also buy the xbox 360 250gb that's $299 dollars
If you find it out, tell me. Most people make much less than that.
The XBOX 360 Elite is no more or less likely to break than a normal console but it is perhaps built with more care and needs to be looked after more!