Chris, Lets start off by answering one one your questions right off the bat-
1."how many prints can a quart of ink do?
That all depends on what type of print your doing ( big back- small front ) and what type of mesh (110 230 355) your going to use.
2. I know your looking for the best price on t-s so try these guys out.
www.sanmar.com www.bodeck&rhodes.com www.broderbros.com.
Set-up an account and like with any big business the more you order the better your prices are going to be. I know that if something cost you $4.00 it probably will cost me $2.00.
Screen supplies
http://www.midwestsign.com/locations/CA/california.asp
Midwest 1800- 824-2468 located in Hayward
3.What printing equipment are you buing? I know theres several printers in your area that probably have some equipment that their not using anymore or that can show you how to make something work
.
Homemade press--2 door hinges screwed down to a table top and attached to a screen..
Light table-- 500 watt worklight, some pvc pipe and a piece of glass.
Dryer
Propane shop heater
Hot plate
Heat gun
Hope this helps