Remote extenders can be found at any major electronic store or online retailer. The costs can range anyway from 15USD to 90USD depending on the required range and number of devices to be linked.
Yes, that is what a remote control extender is for. It allows you to use a remote control at distances much farther than it is capable of. They work great, I have one myself actually.
Almost $300 at nitrorcx.com
Sam's Club advertises them for 17.88 but average seems to be 19.99!
$45 at Autozone.com
Call a local locksmith and ask them what it would cost to change just the lock cylinders. You would then get new keys but your remote opener would still be the same. *GOING TO A CAR DEALER WOULD BE CHEEPER.
The price range for an electric remote control plane would vary based on the type of plane you want. A basic one would cost much less than one with more expensive material or a large one.
The Sony Blu-ray Remote (PS3) is $18.96 at Walmart on September 14 2011
Two years ago, I replaced two transmitters plus programming . Cost 198 bucks. This was on my 97 GT. Good luck. JK I got a key and remote from e-bay for $50, programmed the key and remote myself.
A remote start for most vehicles should cost around 200-300 dollars at the most. Some places are a little different, but over all, that's about how much you're looking to spend.
I got mine for about $20
The price of remote control Transformer varies; it can start at $30 for a simple version to up for $300 for a more advanced version.
It cost about 500$ with two Wii Remotes and Nun chuks and one new game.