If $500 is your budget, buy 2 CZ-82's from Aim. Carry one, Put the other under your pillow.
They are made to take a hell of a beating, have great accuracy and 9X18 ammo is cheap to shoot. They also have an interesting history and add a little flavor to a plain jane carry gun.
Bought my 10/22 27 years ago for a whopping $79 and have shot jack rabbits, chipmunks, squirrels..............cans..........et all.
It has never failed, rarely cleaned and has endless modding possibilities if that's your thing. I keep mine stock for sentimental reasons but added a scope a few...