Ha! I live in Texas, where we are located more than ten million miles closer to the Sun! So, it doesn't matter what windows I use. I just have to be sure to water plenty, so as not to cook them. Summer is nine months long here. Anyways, even though I have central HVAC in my woodshop, I can no longer do woodworking, so I am in the process of selling off all that equipment. I have moved to leatherwork, which I can do at my workbench in my room. I do Native American leatherwork and things like book covers, purses, bags, wallets, small clothing items, even a steering wheel cover. I do all hand stitching, British style. I have a large inventory of oil-tanned hides, Buffalo/deer/elk hides, etc., as well as some brain-tan too. Also beadwork. I have a huge supply of all the best beads. They still (after over a thousand years!!!) make them in the same factories, in the same way. It's the most recession-proof business in human history! I can do this when I feel like it and stop or start easily, as it is right here, and requires far less physical labor. I also build and repair computers, laptops, cell phones, etc., and appliances. Once my shop is closed down and gone, I plan to try to make a little side money with the leather. Will see how it goes.
For other ideas, I always wanted to build a model sailing ship, one of those big ones with a wooden hull, all the real sails and rigging, etc. I have the tools to machine all the small parts, too, like blocks, tackle, masts, etc. I always thought it would be a fascinating learning experience, and fun. I always wanted to write a book, too - science fiction! But like most of us, I spent my life making a living instead, and never had time. Oh, well. There are lots of things one could choose for a hobby, the trick being to just pick one. But I also have to consider what restrictions my health will put on my abilities later on, too. However much later on there is. Keep us posted on how you decide to go with this.