My only 'concern' is that I'll brew the '100 gallon legal limit' before the year is out... Since I live alone, I don't have the extra 100 gallons from a spouse, or another adult in my home/apartment... Luckily, 10 of the 20 gallons I have in process now, were actually started in 2010.
Relax. No one is enforcing that law to the letter. It's really meant to prevent people from running large bootlegging operations out of their homes.
Besides, assume you brew *and consume* 50 gallons a month. In a year, you will have made 600 gallons. Way over the limit, but at no time did you have more than 50 gallons in your house.
How on earth could anyone prove you brewed more beer than you currently have on hand?