i agree with the advice Accumulator gave. clay the car the first time you detail because the car could have acquired all sorts of surface contaminents during shipping and such. to see if you need to clay, do the baggie test. put you hand in a zip-loc bag and gently rub your hand over the surface. if it doesn't feel smooth, you have surface contaminents that need to be removed. clay the surface and then do the baggie test again, you should notice a difference.
#7 show car glaze can be hard to work with, you can get smearing and such. Deep Crystal Step 2 would work in the same manner and not be that hard to work with.
for drying the car, spend the money and get a good Waffle Weave (WW) Micro Fiber (MF) towel. this is the one step where you can introduce marring and scratches and stuff if you aren't careful enough. any of the online stores listed on autopia should have a good WW MF.
A2Z should be okay on your wheel covers as long as you follow the directions. if you aren't sure, never use A2Z when the wheels are hot or in direct sunlight. never allow it to dry, and if you want to be safe, hose the wheel covers down with water first. but if you wash your car weekly and thoroughly clean the wheel covers each time, you shouldn't really have too much of a problem with brake dust build up.
to protect your fabric, you can buy a can of 3M fabric guard. i don't know the name, but i read in some magazine it's the same one the dealers use and charge $50 for.
and if cost is an issue/concern right now, use what you got + a good car wash shampoo. also a good wash mitt, a good WW MF for drying, and some good MF towels for removing the polishes and wax. and then, keep reading and learning over here while saving your money so you can buy the products you think will work well for you. but if you want a recommendation on "pro" products, meguiars is a pretty good place to start. they have both a consumer line, stuff usually in that maroon bottle, and a pro line, stuff usually in that beige bottle like your #7. most of their products are cheap for the size and usually under $20.
good luck and happy detailing!