With regard to etching fluids, you can get ferric chloride crystals very cheaply from ebay, but make sure you use gloves when you use it unless you like yellow fingers. You can also buy ammonium persulfate crystals from ebay too.
You should also be able to order single and double sided FR4 board from ebay, I found a seller that will cut to size too.
As has been mentioned, a cheap laser printer should be good enough to do toner transfer, you just need to get some reasonable paper, you can get 'press N peel' or 'fab-in-a-box' do some really good looking products too. You can also use the waxy backing paper from pinter labels or you can use glossy magazines, not the front cover as that is the wrong kind of glossy but the pages inside should be fine, in general, people choose the stuff that comes through in junk mail.