Picked up a mash tun cooler (one of the beverage types that have been modified) for $15. I'm still only using a 2.5 gal kettle, so i'll likely only be able to do half batches of all grain. If I compared my current recipe i'd spend about $6.80 with grain vs $9.60 for LME, so it might come more in handy when I buy in larger bags.
Wheat beers are becoming quite popular amongst my friends of the beers i've made so far, so i'll likely start getting a stock pile of those ready for the spring.
Maybe you need fewer friends who like beer; that would cut down your costs!
This is all similar in some ways to reloading ammunition; you can save big bucks but those savings only come from buying in bulk, and significant bulk.
This has me thinking about buying grain in 50# sacks, DME in 50# increments, and so on. What everyone eventually realizes in this is that to get the per-unit cost down, you have to spend a lot of money up front. I pay $5 for a pound of DME at my LBS, $4 per pound if I buy 3 pounds, and if I want to pony up and get 50#, I can get it down to $3 or even possibly less.
Problem is, to get that last price it will cost me $150 up front. And that's only for one type of DME. Hops, other grains, etc. are extra and it adds up in a hurry.
And that says nothing about the equipment needed to make it all work efficiently.
This brewing thing reminds me of starting in reloading--I wish I knew then what I know now, I wouldn't have bought some equipment that it turned out was a waste of money, since I bought more effective equipment later.
I'm trying not to make the same mistakes with brewing. I keep asking myself, "What are you going to wish you'd done 6 months from now?" I'm trying not to be chintzy on what I buy but it's costly to do that up front. I already have about $1000 into this venture and I can see another $400 or $500 in additional costs--and that doesn't include a keezer with multiple kegs and so on.
It's an addiction, I think. Not chemically, but spiritually.