Drying garlic in the sun might result in sunscald (damage from excessive, direct sunlight), especially if you live in a hot, sunny area. To eliminate the risk of sun damage,...
It would be better to use a hand-held razor for accuracy and effeciency. Electric razors are good for the beginning process of removing thicker hair first, though.
Up, or opposite the direction that the hair is lying. You want to shave upward against the fall, not with it. Going down, or "with the grain," won't do much...
Shaving is a whole process that your skin has to recover from. Try taking a break from shaving, especially in the winter when your skin tends to be more dry.