The next difficulty jump is going to be over 10% at least. We caught a breather with the 3% jump last time but we may not see that again for a couple months.
To guarantee ROI you need closer to 0.02 like WA state. It's possible with 0.07 but you're slicing it thin.
I plan to switch to green is what they call it for my system. I have solar power but I can upgrade to go full green and get it for 0.03 which is great
