Something that won't brake the bank, a mildot reticle or a version of a mildot, parallax adjustable, non-capped(I think thats what it is called) turrets. This scope will be used for target practice and pest control.
Breaking the bank as you say is subjective when you may have spent $100 on your gun but if that's not your situation. This scope or variant thereof has been used by numerous members on their trainers, plinker's, varmint slayers.