Mostly answered questions now, but I'll second the "get an Oyster Card on arrival". Cost me 3 pounds I believe, and paid for itself in one trip from Watford to central London (I just regret the money I wasted the first 2 days)
		 
		
		
		
		
		
		
			
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				"Correction, it's not your leg son. It's Liverpool's leg" - Shankly
			 
		
		
		
		
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