Good for you. Congrats!
I use the "it'll save me money" justification all the time with SWMBO, though it seems like I am always looking to spend more money on something. But that's ok by me, I like buying stuff. And my beer does cost me less (if I factor in ingredients alone).
Drinking on the keg: BPA, Brown Ale, Dry Mead, Wee Heavy aged on Oak, CAP
Drinking in the Bottle: