Well let me first say welcome aboard!! This site has lots of good information that you will be able to use. This is not something that will happen overnight it is a quest of a lifetime. For the same reason that not everyone drives the same kind of car or wears the same style of clothing EDC (everyday carry) items will vary greatly with circumstance, finances, locality and taste.
If you have not already done so go to the Website and read or at least skim the articles. Look at what is commonly carried for EDC type of stuff and then blend it to your situation.
Start simple then build on that. Start with your EDC put some Band-Aids in your wallet, carry a SAK(Swiss Army Knife), a small flashlight and a way to build a fire (lighter etc.) Get used to what you are carrying use it become familiar with it than build on that.
Do outside reading on First Aid, Orienteering (Map & Compass usage), Survival, and common tool usage (to include knife, hatchet, saw etc.)
Don?t try to prepare for TEOTWAWKI (The End Of The World As We Know It) just work toward being comfortable during the next power outage, blizzard or other ?normal? type of everyday things.
Now I will give you at least one opinion on several of your questions there will be others who will add their ideas or clarify some of what I am not clear on.

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I recently discovered your Website and thought that I
>needed a mini PSK. I used your PSK as my model. I
>hate to look ignorant but There are several things I
>do not know how to use or what they are used for.
>
>For example the Teflon tube. What instance would you
>use this? Where would I get this?

Many uses to include getting water that is in an area that you can?t scoop up into your container (canteen). Many probably have pet places to get theirs but I get my small tubing at Lowe?s, Home Depot (Not Teflon for mine)
>
>Another is if I have a compass, how will that help me
>to know where North and South is?

Marked or colored end of compass needle points North on most compasses.
>
>Where would I get the waterproof matches, fire
>starter, etc.

REI, Campmor, Wal-Mart, Make your own
>
>How would I use my blades?

Imagination is your only limit. I have done limited field surgery with small blades (not recommended but necessary at times)
>
>Where would I buy the wire saw and how would I use it?

REI, Campmor, Wal-Mart, Army Navy Store (Pull wire back and forth over wood, bone etc. to be cut)
>
>What is snare wire? Where would I get it?

Use to catch animals to eat, practical for only those skilled in their use.
>
>What is potassium permanganate used for in a survival
>setting?

You will need to know what you are doing with this one a little bit it can be used for all kinds of things but I suspect most stick with using it for killing germs in several different settings
>
>What is the aluminum foil used for?

Many uses to include make a cooking ?pot?, drinking ?bowl? fire reflector, wind guard or I suspect a hat for some. <img src="/images/graemlins/tongue.gif" alt="" /> (sorry could not resist)
>
>is there anyplace that I can get a little fishing kit?

Yes but just make your own from Wal-Mart, fishing store
>
>How do you use fishing line with no pole?

Use pole you cut with wire saw or just use it in your hands etc.

>
>I know I am asking some pretty lame questions,

Learning is never lame try to learn something new every day!
>
>Thanks for your help!

No Problem! Hope this gets you started down the right path!!