Straight, angled, binos vs spotter, reticle vs no reticle are common questions you need to decide on. Then there’s plenty of threads on here you can review. Expect to spend >$500 if you want decent glass and $1000 or more for good glass, especially at higher magnification.
12x binos will see shots on steel at 1000 if they’re ona tripod. Reticle helps to call adjustments to a shooter.