I would always advise you to start with a good name brand gas operated semi auto. Remington, Browning, Beretta, etc. Pick one that seems to feel right to you. If and when you decide to change guns you will NOT lose a dime if you take decent care of it. You might get lucky and decide you love it and just want a brand new one just like it, but probably not. I cannot shoot and do not like over and unders, at all. A Remington 1100 has been breaking clay pigeons for me for 49 years. A truck load of others have come and mostly gone in the interim. Okay, a small pickup truck load.