Are crafted suits better than stock suits?

YES, always use crafted suits with at least level 3 engines.

Should I focus more on ground or space engagement?

Since the new battleground cities are on the ground, definitely have points in ground engagement. On the other hand, it is way easier to make cash in space.

Is it REALLY easier to make cash in space?

YES, YES IT IS. The drops seem to have better quality items and in higher quantities.

Why do range weapons do so little damage compared to melee?

Balance.

-FloppyDisk, verbal diarrhea