Don't talk to Ashful about being cheap and drinking beer. That guy spends more money on beer monthly than my mortgage!
You're doing well, if your mortgage is under $300/mo.
I will risk irritating a lot of folks, and say there is no beer worth drinking much under $50/case. That's the bottom-line on making a true barley beer, without corn or rice fillers. Sam Adams has done very well at that, being the first American brewery in modern times to mass-produce true barley beers, and while their brews might not be considered anything rare or special, they're all solid quality product.
Most of the beers I enjoy are Belgian brews over $120 per case. Similar beers can be made for $60 - $70 per case in the USA (Victory Golden Monkey, Weyerbacher Merry Monks, Allagash Dubbel/Tripel, etc.), so about half of that cost is associated with importing and small batch sizes.
Then there is my favorite treat, barrel-aged beers. These are typically over $200 per case, but are not my daily drinking stock. Popular barrel-aged brews some of you have probably tried are Allagash Curieux, the special 2014 edition Barrel-Aged Rude Elf (not regular Rude Elf), Hardywood Barrel-Aged Grand Cru, etc. These are sublime, but I always feel like I'm paying 2x more for something that's 20% better, so I only buy them on special occasions.
On the subject of drinking, I asked an old guy who works for me (he's now 77, and still harvesting wood for three families), if he thought a beer a day was maybe unhealthy. His response was, "I'm sure the doctor will tell you that, but then again, I know a lot more old drunks than old doctors."