Note: I do not consider myself an expert at anything, and instead view myself a forever learner. Gardening involves much trial and error, and changes depending on your geographic location. I recommend reaching out to your local community gardeners for solid place-based advice.
Growing Oyster Mushrooms
Mushroom cultivation is easy to learn, and simple to grow oyster mushrooms are a good place to start.
You can turn your kitchen food scraps into beautiful compost with the help of red wiggler worms.
Flagstaff. Learn some tips and tricks that seasoned gardeners in this area have taught me.