Data Reconstruction can be a confusing contract to take on at first in Marathon, but it can be completed fairly easily once you know what to do.
The Seekers arc just revamped how the D&D Speak with the Dead spell works for the better.
Invest in stocks if you can research and continuously monitor them; otherwise, consider index funds or robo-advisors. Only use money for stock investment that you won't need for at least five years ...