A used system sells anywhere from ~$35 to $350 depending on the model and condition.
Around 30 bucks in good condition.
Yes online.
Toys 'R Us no longer sells Nintendo 64 systems, but Play'N'Trade still deals in them.
You can sell one online or at a secondhand shop that carries old video games.
It looks like many places are selling out.
$199
eBay and craigslist are good places for getting games.
A used Nintendo 64 goes for about 30 to 40 bucks in good condition.
Nintendo 64
Probably 15$
The 64 was the graphics of the game console. In other words, the Nintendo 64 had 64 bits.
I can't really help you much on this but there was a really annoying Christmas ad. If you search "Nintendo 64 Christmas commercial" on youtube you can watch it.