One cannot over emphasize dry fire exercises. The benefits to trigger control and sight alignment go without saying. There is however one aspect of dry fire that needs to be addressed and that is grip. It is easy to not grip properly due to the lack of recoil. Semi auto pistols in particular have to be gripped firmly in order to function as well as to keep the firearm from shifting in your hand under recoil. Make sure that when dry firing that you especially concentrate on a firm grip,Dry fire is where most improvement actually happens. Trigger control, grip pressure and presentation can all be refined without burning ammo. Ten focused minutes beats an unfocused range session every time if you’re honest with yourself.