I agree with Nosybear. I brew 5 to 8 5 gallon batches a year & all seem to cost about $50. I buy local & don't harvest my yeast. I make IPAs, Stouts, Saisons & Dark Lgers. I use Distilled Water at approx $1 a gallon for 10 Gallons. I wouldn't count my Equipment costs & Depreciation as all my equipment is over 5 years old, some of it is 20 years old.
When I bottled, I got 27 20 Oz Bottles. It took 4712 Oz bottles. Bottles or Kegs it's still $10 a gallon. That's pretty close to $1 a bottle. Most Craft Bottles go for $5 to $8 each. While it's cheaper, by far to Homebrew, I enjoy the creativity & the love of my neighbors, I haven't shoveled my sidewalks in years. When I buy/drink Pro Brews, I buy Dry Dock, but I sleep around. Chamber Spirits is like hanging out at a singles bar.