Idpa will be the cheapest enterance to shooting comps, $20.00 match fee plus 100 rds ammo
uspsa will be a bit more expensive, $20.00 match fee plus 200 rds ammo and few more magazines required pending class
3 gun will kill a bank account quick, 3 calibers of ammo various amounts, 3 guns, $20.00 and up entry fee, alot more gear is needed. Mag pouches for pistol, rifle and shell holders for shotgun. And other stuff I am forgetting
uspsa will be a bit more expensive, $20.00 match fee plus 200 rds ammo and few more magazines required pending class
3 gun will kill a bank account quick, 3 calibers of ammo various amounts, 3 guns, $20.00 and up entry fee, alot more gear is needed. Mag pouches for pistol, rifle and shell holders for shotgun. And other stuff I am forgetting