Because I am such a sad individual I wrote a rather elaborate spreadsheet to document my spendings, because I was bored and I like to tinker. in my defence I use it a bit like a diary.
I'm not a heavy brewer (yet) and I am relatively new, but here are my figures.
*!SAD ACT ALERT!*
I have brewed a total of 94 liters (25 gallons) of homebrew (inc beers/ciders/wine)
If I was to buy that in an approximate commercial product It would have cost me £338 ($558)
The cost in consumables has been £82. ($135)
That is a saving of £255. ($420)
subtract the equipment cost £247 ($407)
I have saved £8 ($13)...
These figures are really tight as it can get (the spread sheet even calculates the cost of yeast per teaspoon and cost of priming sugar AH ha ha! seriously!)
It should be noted that this saving of £8 ($13) signifies that I have just recently crossed over the threshold of where my savings have now matched the start up cost of my equipment.
So it is just saving from here onwards!!!!
but I fully agree that it is all about the hobby, which also slightly explains, why I made the over top spreadsheet... just coz i can! :)
below is overview table from the spreadsheet.
The brews that run at a lost was coz I had to throw them down the drain and I wouldn't have paid for a commercial version.