I play micro stakes too
I call to the hyper agressive maniacs that frequent these tables, a lot of times they overbet or go all-in and when I got a hand that I think can beat them (whether it be good or bad), I call

I raise nearly everytime I got a preflop hand which I like and I almost always get a call, maybe they fold because of your nit image and your raise is significantly more than standard 3xblinds