A - Because deadly from a distance rawks D - Because crossbow bolts are reusable (and easer to make from scratch than bullets) B - Because I'm sure I could figure out how to be a badass with a katana; it's hereditary, right? D - Because a lil bit of everything beats a lot of nothing C - Because even when it runs out of diesel it still makes a great fortress Plus, TANK! I mean, c'mon?!
If you download Origin and sign up for the newsletter, it can be an easy get. I got my copies of ME1, ME2, and ME3, along with all the DLC for ME2 and ME3, through them all for less than $15 by watching their sales closely.