would be possible to catgorise the buy list items type also ? i mean looking at config you got 
 },
    "Hoodie": {
      "buy": "70",
      "img": "http://vignette1.wikia.nocookie.net/play-rust/images/b/b5/Hoodie_icon.png/revision/latest/scale-to-width-down/100?cb=20150821194936",
      "item": "hoodie",
      "sell": "58"
    },
    "Huge Wooden Sign": {
      "buy": "10",
      "img": "http://vignette3.wikia.nocookie.net/play-rust/images/6/6e/Huge_Wooden_Sign_icon.png/revision/latest/scale-to-width-down/100?cb=20150405114901",
      "item": "sign.wooden.huge",
      "sell": "8"
    },
    "Human Skull": {
      "buy": "10",
      "img": "http://vignette3.wikia.nocookie.net/play-rust/images/2/24/Human_Skull_icon.png/revision/latest/scale-to-width-down/100?cb=20150405114943",
      "item": "skull.human",
      "sell": "8"
    },
    "Hunting Bow": {
      "buy": "70",
      "img": "http://vignette2.wikia.nocookie.net/play-rust/images/2/25/Hunting_Bow_icon.png/revision/latest/scale-to-width-down/100?cb=20150405115022",
      "item": "bow.hunting",
      "sell": "58"
    },
    "HV 5.56 Rifle Ammo": {
      "buy": "70",
      "img": "http://vignette2.wikia.nocookie.net/play-rust/images/d/df/HV_5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150612151932",
      "item": "ammo.rifle.hv",
      "sell": "58"
    },​
would it be possible to have a place holder as well for each item type be a lot easier editing 
like 
"ammunition"
     "12 Gauge Buckshot": {
          "buy": "30",
          "img": "http://vignette1.wikia.nocookie.net/play-rust/images/2/2f/12_Gauge_Buckshot_icon.png/revision/latest/scale-to-width-down/100?cb=20150405102524",
          "item": "ammo.shotgun",
          "cooldown": "0",
          "sell": "10"
        },
	"12 Gauge Slug": {
      "buy": "30",
      "img": "http://vignette3.wikia.nocookie.net/play-rust/images/1/1a/12_Gauge_Slug_icon.png/revision/latest/scale-to-width-down/100?cb=20150603135903",
      "item": "ammo.shotgun.slug",
      "sell": "20"
    },
	"12 Gauge Incendiary Shell": {
      "buy": "30",
      "img": "https://rustlabs.com/img/items40/ammo.shotgun.fire.png",
      "item": "ammo.shotgun.fire",
      "sell": "20"
    },
	"Nail Gun Ammo": {
      "buy": "30",
      "img": "https://rustlabs.com/img/items40/ammo.nailgun.nails.png",
      "item": "ammo.nailgun.nails",
      "sell": "20"
    },
	"5.56 Rifle Ammo": {
      "buy": "50",
      "img": "http://vignette1.wikia.nocookie.net/play-rust/images/4/49/5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150405103333",
      "item": "ammo.rifle",
      "sell": "40"
    },
	"Explosive 5.56 Rifle Ammo": {
      "buy": "50",
      "img": "http://vignette3.wikia.nocookie.net/play-rust/images/3/31/Explosive_5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150603140206",
      "item": "ammo.rifle.explosive",
      "sell": "40"
    },
	"5.56 Rifle Ammo": {
      "buy": "50",
      "img": "http://vignette2.wikia.nocookie.net/play-rust/images/e/e1/Incendiary_5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150603140753",
      "item": "ammo.rifle",
      "sell": "40"
    },
	"Incendiary 5.56 Rifle Ammo": {
      "buy": "50",
      "img": "http://vignette1.wikia.nocookie.net/play-rust/images/4/49/5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150405103333",
      "item": "ammo.rifle.incendiary",
      "sell": "40"
    },
	"Incendiary Pistol Bullet": {
      "buy": "50",
      "img": "http://vignette4.wikia.nocookie.net/play-rust/images/3/31/Incendiary_Pistol_Bullet_icon.png/revision/latest/scale-to-width-down/100?cb=20150603141020",
      "item": "ammo.pistol.fire",
      "sell": "38"
    },
	"HV Pistol Ammo": {
      "buy": "50",
      "img": "http://vignette4.wikia.nocookie.net/play-rust/images/e/e5/HV_Pistol_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150612151945",
      "item": "ammo.pistol.hv",
      "sell": "38"
    },
	"Pistol Bullet": {
      "buy": "45",
      "img": "http://vignette2.wikia.nocookie.net/play-rust/images/9/9b/Pistol_Bullet_icon.png/revision/latest/scale-to-width-down/100?cb=20150405120530",
      "item": "ammo.pistol",
      "sell": "34"
    },
	"High Velocity Rocket": {
      "buy": "100",
      "img": "http://vignette3.wikia.nocookie.net/play-rust/images/f/f4/High_Velocity_Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150531134108",
      "item": "ammo.rocket.hv",
      "sell": "50"
    },
	"Incendiary Rocket": {
      "buy": "100",
      "img": "http://vignette1.wikia.nocookie.net/play-rust/images/f/f9/Incendiary_Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150603141249",
      "item": "ammo.rocket.fire",
      "sell": "50"
    },
	"Rocket": {
      "buy": "100",
      "img": "http://vignette1.wikia.nocookie.net/play-rust/images/9/95/Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150424065519",
      "item": "ammo.rocket.basic",
      "sell": "50"
    },
	"Smoke Rocket WIP!!!!": {
      "buy": "180",
      "img": "http://vignette4.wikia.nocookie.net/play-rust/images/8/80/Smoke_Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150531134255",
      "item": "ammo.rocket.smoke",
      "sell": "150"
    },
	"SAM Ammo": {
      "buy": "180",
      "img": "https://rustlabs.com/img/items40/ammo.rocket.sam.png",
      "item": "ammo.rocket.sam",
      "sell": "150"
    },
	"Bolt Action Rifle": {
      "buy": "100",
      "item": "bolt action rifle",
      "sell": "8"
    }
  },​
​

and so forth

Merged post

i thought about adding comment line for each cat my self but json will not allow comment lines...

Merged post

for a order list i did this 
                         "commands": {},
"Airdrop": {
			"buy": "1000",
			"img": "https://rustlabs.com/img/items180/supply.signal.png",
			"cmd": ["ad.dropplayer $player.id", "say $player.name bought an airdrop. !!!"],
			"sell": "600"
		},

"Food": {},
		"Apple": {
			"buy": "1",
			"item": "apple",
			"sell": "1"
		},		
		"BlueBerries": {
			"buy": "1",
			"item": "blueberries",
			"sell": "1"
		},		
		"ammo": {},
		"12 Gauge Buckshot": {
			"buy": "30",
			"img": "http://vignette1.wikia.nocookie.net/play-rust/images/2/2f/12_Gauge_Buckshot_icon.png/revision/latest/scale-to-width-down/100?cb=20150405102524",
			"item": "ammo.shotgun",
			"cooldown": "0",
			"sell": "10"
		},
		"12 Gauge Slug": {
			"buy": "30",
			"img": "http://vignette3.wikia.nocookie.net/play-rust/images/1/1a/12_Gauge_Slug_icon.png/revision/latest/scale-to-width-down/100?cb=20150603135903",
			"item": "ammo.shotgun.slug",
			"sell": "20"
		},
		"12 Gauge Incendiary Shell": {
			"buy": "30",
			"img": "https://rustlabs.com/img/items40/ammo.shotgun.fire.png",
			"item": "ammo.shotgun.fire",
			"sell": "20"
		},
		"Nail Gun Ammo": {
			"buy": "30",
			"img": "https://rustlabs.com/img/items40/ammo.nailgun.nails.png",
			"item": "ammo.nailgun.nails",
			"sell": "20"
		},
		"5.56 Rifle Ammo": {
			"buy": "50",
			"img": "http://vignette1.wikia.nocookie.net/play-rust/images/4/49/5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150405103333",
			"item": "ammo.rifle",
			"sell": "40"
		},
		"Explosive 5.56 Rifle Ammo": {
			"buy": "50",
			"img": "http://vignette3.wikia.nocookie.net/play-rust/images/3/31/Explosive_5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150603140206",
			"item": "ammo.rifle.explosive",
			"sell": "40"
		},
		"Incendiary 5.56 Rifle Ammo": {
			"buy": "50",
			"img": "http://vignette1.wikia.nocookie.net/play-rust/images/4/49/5.56_Rifle_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150405103333",
			"item": "ammo.rifle.incendiary",
			"sell": "40"
		},
		"Incendiary Pistol Bullet": {
			"buy": "50",
			"img": "http://vignette4.wikia.nocookie.net/play-rust/images/3/31/Incendiary_Pistol_Bullet_icon.png/revision/latest/scale-to-width-down/100?cb=20150603141020",
			"item": "ammo.pistol.fire",
			"sell": "38"
		},
		"HV Pistol Ammo": {
			"buy": "50",
			"img": "http://vignette4.wikia.nocookie.net/play-rust/images/e/e5/HV_Pistol_Ammo_icon.png/revision/latest/scale-to-width-down/100?cb=20150612151945",
			"item": "ammo.pistol.hv",
			"sell": "38"
		},
		"Pistol Bullet": {
			"buy": "45",
			"img": "http://vignette2.wikia.nocookie.net/play-rust/images/9/9b/Pistol_Bullet_icon.png/revision/latest/scale-to-width-down/100?cb=20150405120530",
			"item": "ammo.pistol",
			"sell": "34"
		},
		"High Velocity Rocket": {
			"buy": "100",
			"img": "http://vignette3.wikia.nocookie.net/play-rust/images/f/f4/High_Velocity_Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150531134108",
			"item": "ammo.rocket.hv",
			"sell": "50"
		},
		"Incendiary Rocket": {
			"buy": "100",
			"img": "http://vignette1.wikia.nocookie.net/play-rust/images/f/f9/Incendiary_Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150603141249",
			"item": "ammo.rocket.fire",
			"sell": "50"
		},
		"Rocket": {
			"buy": "100",
			"img": "http://vignette1.wikia.nocookie.net/play-rust/images/9/95/Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150424065519",
			"item": "ammo.rocket.basic",
			"sell": "50"
		},
		"Smoke Rocket WIP!!!!": {
			"buy": "180",
			"img": "http://vignette4.wikia.nocookie.net/play-rust/images/8/80/Smoke_Rocket_icon.png/revision/latest/scale-to-width-down/100?cb=20150531134255",
			"item": "ammo.rocket.smoke",
			"sell": "150"
		},
		"SAM Ammo": {
			"buy": "180",
			"img": "https://rustlabs.com/img/items40/ammo.rocket.sam.png",
			"item": "ammo.rocket.sam",
			"sell": "150"
		},
		"weapons": {},
		"Assault Rifle": {
			"buy": "1000",
			"item": "assault rifle",
			"sell": "8"
		},
		"Bolt Action Rifle": {
			"buy": "100",
			"item": "bolt action rifle",
			"sell": "8"
			},​
​

works out pretty well and helps me keep it in order