It would probably have to be a talking guitar. Perhaps it would have hippy peace symbol stickers on it with some Nazi insignia engraved on it too. It might be possessed, I wouldn't get one.
No not really. It does NOT teach you at all to play the guitar in any way, real guitars have strings and you have to press down on different strings and strum on different strings, on guitar hero...
Usually it doesn't matter, most acoustic guitars are good quality. It just depends on how much u wanna spend. 1 important tip though always ask for high quality string & always have a go before...
using acoustic strings on an electric does not damage the guitar. tightening them too tight does. acoustic strings tend to be thicker than electric strings, so all you have to do is just tune lower...