few QuestionsFollow

few noobish questions here...

1.) I got a BARC speeder with the SWG: the total experience and apparantly people are selling them for 3 - 5million, i saw 4 mil on my server, is this right? and should I sell?

2.) I've seen a couple of pictures where you can walk around your starship, i got a starter ship by joining the imperial navy but i can't walk around it, y not?

3.) where can i buy starships

4.) when i look at buying houses and starships i see blueprints for high prices, what does this mean?

thx 2 anyone who answers my questions