Keeping the material in the conditioned space and having a cooling unit in the work area while you're in there, um...working...should make for more comfortable enjoyment of your woodworking.
We're currently at 4200 sw ft plus my shop building. The real workload is maintaining the large property--not the mowing, but the weeding of the landscape, etc. I'm just not very good getting down on my knees anymore. Honestly, once our younger graduates from Penn State in 2021 and our older daughter "hopefully" becomes more independent and gets her own place in town (she has psychological and minor intellectual disabilities) we really don't "need" such a large home. It will be a really tough choice, however, because we really love this place and have made it our own over the past 20 years. And yea...the shop.
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The most expensive tool is the one you buy "cheaply" and often...