How much is my iphone 3g worth now in 2012?

So I have an old iphone 3g that I'm looking to sell. It's the 16gb and it's been jailbroken, any idea how much I can get for it?

I've seen some on craigslist that run from 100-140

Round 40 or 50

Used, been jailbroken, no warranty.
Around $120-130$

0 but because its jailbroken you can also unlock it therefore contract free! This adds a ton of value so really i'd sell mine for 50-100. Maybe 75?

  • What is the average Iphone Bill with AT&T? (2012)? My thing with thinking about iphone users is that their bill is over $100 and i'm not interested in paying that much money for a phone monthly. I would consider it, but the bill has to be reasonable…
  • Is the iphone 3G still worth buying in 2012? My old android broke so I needed a replacement - I looked on ebay and found a refurbished iphone 3G for about £120.So I'm not sure if an iphone released in 2008 will still be very good in 2012. Opinions?
  • Is the $999 2012 11 Macbook Air good enough for iphone game/app development? I want to make games and apps for iphone and ipod touch so bad but not sure if the specs of the 11" 2012 mba are good enough seeing that the processor is at 1.7 ghz. I plan on upgrading the ram when i buy it to 8gb. Will this mac be good enough to develop games and app for iphone and ipod touch smoothly?
  • How much is my ring worth now? I have a ring that was purchased almost 30 years ago for $1000.It is 14k yellow gold, 10 small diamonds (about the size of my front camera on my iphone haha) surrounding a teardrop shaped emerald (4-5x the size of diamonds). I'm looking to sell it and am wondering if anyone has an idea of how much I could sell it for now (I'm going to pawn it).