computer
You can trade in your DSI at Best Buy for about $40.
no.
If you buy the game in the shops, no. You cannot save your image on to your computer. But, if you buy the game online on the DSi Shop built into your DSi, you can save your images to the SD card and post them to Facebook.
You can buy prepaid point cards from stores such as Best Buy or Future Shop.
You cannot download DSi points. You will have to buy the point card from a store (such as Best Buy or Future Shop) and then enter the code to get DSi points.
No, the DSi isn't the same in money value as the 3DS is.
$150.00 To $170.00
you can buy it at gamestop or best buy
Best buy walmart or a electronic store
Only if your computer has a wired connection instead of wireless. If you are using wireless, the DSi can connect to your router, it has its own wireless capabilities inside it. If you are not using wireless, you can buy a Nintendo USB wi-fi adaptor which plugs into your computer and turns it into a wireless hotspot that the DSi can connect to.
at best buy,game stop,etc.,
in game stop and best buy