Some folks are on a budget.Matter a fact a lot of folks are on a budget.I think you can get a really good head totally adequate for the job without spending big bucks and not feeling guilty that your using something inferior that's prone to wounding animals or costing a hunter clean kills.
A hunter should never use a poorly designed broadhead or one that is not razorsharp.
I think in a screw in a Stinger in 150 gr is very effective head that has excellent design features overall as far as blade thickness,ferrule strength,the diamondpoint to prevent tipcurl,tight tolerances,good flight and easily replacable blades that are razor sharp in my experience.All at a reasonable price.I have had very good experiences with that head.
Their are other ones that are very good.
Nothing wrong with shooting the very best most expensive heads.I would recommend it if you got the cash.But their are superb heads for the hunter on a budget available.just be picky and do your research.Strong,no tip curl,good flight and razor sharp out of a well tuned arrow that recovers quickly from paradox and does not porpoise or fishtail equal's success.