Hive mind: What advice would you give to someone who has to give a presentation to a non-technical person, and it's important that the listener actually understand the details?

How do you go about it? Specific tips appreciated. Pretend it's for a friend you care about.

(This is for an article. Ideally we could refer to you by reference for context and credibility, eg "an IT security pro at a midwest insurance company" or "aerospace engineer" so please give some kind of identification to use).

My mother died last month and I've been thinking of leaving my father's house ever since then. I initially thought I'd be okay with doing that, regardless of whether or not my father would object, but he talked with me last night saying he'd be okay if I left and now I'm FREAKING OUT.

Background: I'm 23 and living in Houston, Texas. I have an older brother who lives in Dallas who offered to take me in, but it wouldn't be very permanent as he plans on leaving the country for a trip next year and will be gone for some time. I also have a friend from high school who offered me a room, but she lives in Seattle and was fired from her job. No one else who is close to me is able to offer me a place to stay.

My concerns: I dropped out of college. I was planning on going back but then my mother died and that plan was put on hold, so I don't have any marketable skills (I've only ever worked in retail). I also don't have a job lined up anywhere else. I've never had to take on so many bills at one time and therefore I don't know much about budgeting.

I'd like to leave, but where I am it's secure and comfy. Maybe it's finally time I pushed myself out of my comfort zone and start taking control of my own life, but I don't want to risk my safety and finances on a crazy idea.

I welcome any and all advice, and thanks for reading.

edit: changed a word