you can buy a cheap phone in walmart, I got my brand new Samsung galaxy II there for $1.04, you would be amazed of the good deals you can get on phones there....
I think you choose Samsung mobile phones instead of T-Mobile since they are cheap and with android built-in. And mostly people are having best feedback about Samsung phones.
The best phones for a reasonable prices are ones that have Android included. This includes things like the Samsung Galaxy.
There are cheap cell phones available in most electronic stores. The Kyocera Plus and LG Viper are two examples. You can often get regular cellular phones for a decent price or smart phones even pretty cheap if you are willing to sign a contract.
The best cheap mobile phones is, Samsung Galaxy S III with 16gb from wirefly. Another cheap mobile phones is, Nokia Lumia 520, Orange San Diego, Huawei Ascend G330, Sony Xperia U, Nokia Lumia 620, and HTC Desire C.
The new Sanyo Innuendo is only $37.95 It is a flip phone. Or you could try the Samsung Galaxy Prevail only $34.99. Which is really cheap when it comes to touch screen smart phones.
Nearly all cell phones nowadays feature a camera - my own (which happens to be a Samsung) is about as cheap and basic as they come, and still has a camera. You can compare the features of a variety of Samsung phones at http://www.mobile-phones-uk.org.uk/samsung.htm
Although Samsung phones are generally expensive, you can find cheap ones for free when you sign up for a cell phone contract. They give you the phone free if you sign a two year contract.
Cheap Samsung phones can be found at both online and local retailers such as Amazon, Best Buy, and Target. Prices for new phones are often significantly cheaper (if not free) when purchased with a service plan from providers such as Verizon, AT&T, and Sprint.
Samsung offer cheap and reliable phones. They don't have as much features as others, but they do have cheap prices and don't break as often as others.
Just a word of warning for those of you looking for cheap Verizon phones. The selection available online is different from what you can find in brick and mortar Verizon stores. So if you happen to find a phone that you really like that doesn't seem like something mainstream like the Samsung Galaxy Nexus or the iPhone 4S, then you should probably contact the store to see if they carry that particular phone model.
Here's a list of decent phones that do the job for cheap, ordered from cheapest to most expensive: Nokia 1800 Sony Ericsson Spiro Samsung Tocco Lite LG Cookie Lite Nokia C2-01 Samsung Galaxy Europa Samsung Monte Orange San Francisco HTC Wildfire Blackberry Curve 8520 These are all good quality phones for less than $200 on PAYG.