Pay as you go..plz help

Sure, do you have a provider in mind? The packages vary per carrier, and some work differently in terms of payment, minutes expiration etc.

The largest carriers in the USA are Verizon Wirelss, AT&T, T-Mobile and Sprint. Each carrier offers pay-as-you-go phones, and information can be found on their websites. I can provide a little more info if you can tell me either what carrier you want, or what your needs are.

Cell Phone Plans and cellular service – | Wireless from AT&T, formerly Cingular (Select Prepaid plans)

AT&T has two options for plans, Prepaid, and Pay as you go.

Pay as you go:
Get Started – | Wireless from AT&T, formerly Cingular

You buy cards of cash value, so a $25 card costs you $25 and is worth $25 in terms of usage. There are two options for voice:

$1/day IF you use the phone on that day + .10/minute.
$0/day + .25/minute

Text (SMS) is $.15 per message to send or receive. There does not appear to be any option to buy a text package.

The other option is “Pick your plan” – and IIRC this is much like regular (contract) service, but without the contract, and you pay for the upcoming month, instead of the current month.

Get Started – | Wireless from AT&T, formerly Cingular

These plans DO have messaging packages, listed here:
Text Message Packages | AT&T

No matter how you cut it, if you really want unlimited SMS, it’s going to be $50+/mo with AT&T.

Pay as you go does not appear to have an option for unlimited SMS. You can give AT&T customer service a call, though–maybe they know something that I can’t find on the website.