>>774888I'll try to keep from writing you an essay on the subject-
I currently use a lifelike fake coyote, rubber snakes, bird netting on anything I will be mad that they've dug up (only to the extent that it isn't a pain in my ass) and fences in some places where they work like the opening of my greenhouse.
But the best thing of all is just going into the yard every couple hours. The squirrels will fuck off for a while, and if they don't you chase the little shits down and punch them in their squirrel nuts.
(Also, just accepting that they're going to do it is helpful. I sometimes wonder if they're actually helping to improve the soil health. They're at least putting some of my fresh plantings through their paces.)