My LHBS is great for ingredients, not as much for equipment. Morebeer has become my go to place to order what I can’t get locally. Great prices, great service, fast (usually free) shipping.
The 12oz of Golden Promise seems like an odd add. Doesn’t seem like such a small % of a second base malt would add much of anything that would be detectable to the palate.
I’d start here…
https://www.homebrewtalk.com/threads/a-brewing-water-chemistry-primer.198460/
It gives you a quick and easy rule of thumb to quickly get you making good beer while you figure out the more detailed methods.
True, but electric motors are capable of incredible amounts of torque. With enough torque, you can spin those props at a much slower RPM. These days some of the most advanced big turbo props are spinning those huge 6 bladed composite props at less than 1000 rpm at max T/O power.
EV’s are not as clean as you’d hope, but the MPG equivalence of using coal to generate and then charge an EV is still leaps and bounds ahead of burning gas in your car. The bigger question is the cleanliness of mining/processing and the recycling/disposing of the metals used to manufacture...