depends what mobile company you are using
a prepaid sidekick will cost about $150.00
U CAN FIND OUT HOW MUCH A SIDEKick cost by going to tmoblie.com
how much does sidekick pripaid.<< you mean prepaid anyway you can search on bing.com :)
It cost 299
it will cost $900,000,000,000,000 to buy the sidekick and add it to a family plan
About 100-150
i had a sidekick but he dide the day a criminal fired a gun and he flew back into the engine of an air plane.
it cost 150 dollars
1,000,000,00
$20 Unlimited $30
it sux but 500
Before it is $149.99 but now it is $100.00.