diff --git a/src/custom/script_def.inc b/src/custom/script_def.inc
index 8863992732a..4dfca307e27 100644
--- a/src/custom/script_def.inc
+++ b/src/custom/script_def.inc
@@ -9,3 +9,4 @@
  **/
 
 //BUILDIN_DEF(example,""),
+BUILDIN_DEF(sellitem,"sii?"),
\ No newline at end of file
diff --git a/src/map/clif.cpp b/src/map/clif.cpp
index 78e0b70acfb..3c04fb91916 100644
--- a/src/map/clif.cpp
+++ b/src/map/clif.cpp
@@ -3,11 +3,37 @@
 
 #include "clif.hpp"
 
-#include <cstdarg>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <ctime>
+#include "map.h"
+#include "chrif.h"
+#include "pc.h"
+#include "status.h"
+#include "npc.h"
+#include "itemdb.h"
+#include "chat.h"
+#include "trade.h"
+#include "storage.h"
+#include "script.h"
+#include "skill.h"
+#include "atcommand.h"
+#include "intif.h"
+#include "battle.h"
+#include "battleground.h"
+#include "mob.h"
+#include "party.h"
+#include "unit.h"
+#include "guild.h"
+#include "vending.h"
+#include "pet.h"
+#include "homunculus.h"
+#include "instance.h"
+#include "mercenary.h"
+#include "elemental.h"
+#include "log.h"
+#include "clif.h"
+#include "mail.h"
+#include "quest.h"
+#include "cashshop.h"
+#include "channel.h"
 
 #include "../common/cbasetypes.hpp"
 #include "../common/conf.hpp"
@@ -57,6 +83,12 @@
 #include "unit.hpp"
 #include "vending.hpp"
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <time.h>
+
 /* for clif_clearunit_delayed */
 static struct eri *delay_clearunit_ers;
 
@@ -19875,6 +19907,53 @@ void clif_hat_effect_single( struct map_session_data* sd, uint16 effectId, bool
 #endif
 }
 
+void clif_sellitem(struct map_session_data* sd, enum sellitem_filter_type type, int param, bool discount) {
+	int fd, i, c = 0, val;
+
+	nullpo_retv(sd);
+
+	fd = sd->fd;
+	WFIFOHEAD(fd, MAX_INVENTORY * 10 + 4);
+	WFIFOW(fd, 0) = 0xc7;
+	for (i = 0; i < MAX_INVENTORY; i++)
+	{
+		if (sd->inventory.u.items_inventory[i].nameid > 0 && sd->inventory_data[i])
+		{
+			switch (type) {
+			case SFT_TYPE:
+				if (!(1 << (itemdb_type(sd->inventory.u.items_inventory[i].nameid))&param))
+					continue;
+				break;
+			case SFT_ID:
+				if (sd->inventory.u.items_inventory[i].nameid != param)
+					continue;
+				break;
+			default:
+				ShowWarning("clif_sellitem: Unknown filter %d passed to clif_sellitem.\n", type);
+				break;
+			}
+
+			if (!itemdb_cansell(&sd->inventory.u.items_inventory[i], pc_get_group_level(sd)))
+				continue;
+
+			if (sd->inventory.u.items_inventory[i].expire_time)
+				continue; // Cannot Sell Rental Items
+
+			if (sd->inventory.u.items_inventory[i].bound && !pc_can_give_bounded_items(sd))
+				continue; // Don't allow sale of bound items
+
+			val = sd->inventory_data[i]->value_sell;
+			if (val < 0)
+				continue;
+			WFIFOW(fd, 4 + c * 10) = i + 2;
+			WFIFOL(fd, 6 + c * 10) = val;
+			WFIFOL(fd, 10 + c * 10) = discount ? pc_modifysellvalue(sd, val) : val;
+			c++;
+		}
+	}
+	WFIFOW(fd, 2) = c * 10 + 4;
+	WFIFOSET(fd, WFIFOW(fd, 2));
+}
 
 /// Notify the client that a sale has started
 /// 09b2 <item id>.W <remaining time>.L (ZC_NOTIFY_BARGAIN_SALE_SELLING)
diff --git a/src/map/clif.hpp b/src/map/clif.hpp
index 1531106593f..ae8ae929eac 100644
--- a/src/map/clif.hpp
+++ b/src/map/clif.hpp
@@ -32,7 +32,9 @@ struct guild;
 struct battleground_data;
 struct quest;
 struct party_booking_ad_info;
+enum e_party_member_withdraw;
 struct sale_item_data;
+enum sellitem_filter_type;
 struct mail_message;
 struct achievement;
 
@@ -1069,6 +1071,7 @@ void clif_broadcast_obtain_special_item(const char *char_name, unsigned short na
 void clif_dressing_room(struct map_session_data *sd, int flag);
 void clif_navigateTo(struct map_session_data *sd, const char* mapname, uint16 x, uint16 y, uint8 flag, bool hideWindow, uint16 mob_id );
 void clif_SelectCart(struct map_session_data *sd);
+void clif_sellitem(struct map_session_data* sd, enum sellitem_filter_type type, int param, bool discount);
 
 /// Achievement System
 void clif_achievement_list_all(struct map_session_data *sd);
diff --git a/src/map/script.cpp b/src/map/script.cpp
index 947d2ee66c9..c45d5474a02 100644
--- a/src/map/script.cpp
+++ b/src/map/script.cpp
@@ -22934,128 +22934,42 @@ BUILDIN_FUNC(openstorage2) {
 }
 
 /**
- * Create a new channel
- * channel_create "<chname>","<alias>"{,"<password>"{<option>{,<delay>{,<color>{,<char_id>}}}}};
- * @author [Cydh]
+ * sellitem "<shopname">,<type>,<param>{,<overcharge>};
+ * type @see enum e_sellitem_filter_type
  **/
-BUILDIN_FUNC(channel_create) {
-	struct Channel tmp_chan, *ch = NULL;
-	const char *chname = script_getstr(st,2), *pass = NULL;
-	int i = channel_chk((char*)chname, NULL, 3);
-	TBL_PC *sd = NULL;
-
-	if (i != 0) {
-		ShowError("buildin_channel_create: Channel name '%s' is invalid. Errno %d\n", chname, i);
-		script_pushint(st,i);
-		return SCRIPT_CMD_FAILURE;
-	}
-
-	memset(&tmp_chan, 0, sizeof(struct Channel));
-
-	if (script_hasdata(st,8)) {
-		tmp_chan.char_id = script_getnum(st,8);
-		if (!(sd = map_charid2sd(tmp_chan.char_id))) {
-			ShowError("buildin_channel_create: Player with char id '%d' is not found.\n", tmp_chan.char_id);
-			script_pushint(st,-5);
-			return SCRIPT_CMD_FAILURE;
-		}
-		tmp_chan.type = CHAN_TYPE_PRIVATE;
-		i = 1;
-	}
-	else {
-		tmp_chan.type = CHAN_TYPE_PUBLIC;
-		i = 0;
-	}
+BUILDIN_FUNC(sellitem) {
+	struct map_session_data* sd = NULL;
+	struct npc_data* nd;
+	const char* shop;
+	int type, param;
+	bool discount = false;
 
-	safestrncpy(tmp_chan.name, chname+1, sizeof(tmp_chan.name));
-	safestrncpy(tmp_chan.alias, script_getstr(st,3), sizeof(tmp_chan.alias));
-	if (script_hasdata(st,4) && (pass = script_getstr(st,4)) && strcmpi(pass,"null") != 0)
-		safestrncpy(tmp_chan.pass, pass, sizeof(tmp_chan.pass));
-	if (script_hasdata(st,5))
-		tmp_chan.opt = script_getnum(st,5);
-	else
-		tmp_chan.opt = i ? channel_config.private_channel.opt : CHAN_OPT_BASE;
-	if (script_hasdata(st,6))
-		tmp_chan.msg_delay = script_getnum(st,6);
-	else
-		tmp_chan.msg_delay = i ? channel_config.private_channel.delay : 1000;
-	if (script_hasdata(st,7))
-		tmp_chan.color = script_getnum(st,7);
-	else
-		tmp_chan.color = i ? channel_config.private_channel.color : channel_getColor("Default");
+	sd = script_rid2sd(st);
+	nullpo_retr(SCRIPT_CMD_FAILURE, sd);
 
-	if (!(ch = channel_create(&tmp_chan))) {
-		ShowError("buildin_channel_create: Cannot create channel '%s'.\n", chname);
-		script_pushint(st,0);
+	shop = script_getstr(st, 2);
+	type = script_getnum(st, 3);
+	param = script_getnum(st, 4);
+	nd = npc_name2id(shop);
+	if (!nd || nd->bl.type != BL_NPC || nd->subtype != NPCTYPE_SHOP) {
+		ShowError("buildin_sellitem: Shop %s not found or NPC is not a shop.\n", shop);
+		script_pushint(st, 0);
 		return SCRIPT_CMD_FAILURE;
 	}
-	if (tmp_chan.char_id)
-		channel_join(ch, sd);
-	script_pushint(st,1);
-	return SCRIPT_CMD_SUCCESS;
-}
-
-/**
- * Set channel option
- * channel_setopt "<chname>",<option>,<value>;
- * @author [Cydh]
- **/
-BUILDIN_FUNC(channel_setopt) {
-	struct Channel *ch = NULL;
-	const char *chname = script_getstr(st,2);
-	int opt = script_getnum(st,3), value = script_getnum(st,4);
 
-	if (!(ch = channel_name2channel((char *)chname, NULL, 0))) {
-		ShowError("buildin_channel_setopt: Channel name '%s' is invalid.\n", chname);
-		script_pushint(st,0);
+	if (nd->sc.option & OPTION_INVISIBLE) {
+		ShowError("buildin_sellitem: Attempted to sell item to invisible NPC %s.\n", shop);
+		script_pushint(st, 0);
 		return SCRIPT_CMD_FAILURE;
 	}
 
-	switch (opt) {
-		case CHAN_OPT_ANNOUNCE_SELF:
-		case CHAN_OPT_ANNOUNCE_JOIN:
-		case CHAN_OPT_ANNOUNCE_LEAVE:
-		case CHAN_OPT_COLOR_OVERRIDE:
-		case CHAN_OPT_CAN_CHAT:
-		case CHAN_OPT_CAN_LEAVE:
-		case CHAN_OPT_AUTOJOIN:
-			if (value)
-				ch->opt |= opt;
-			else
-				ch->opt &= ~opt;
-			break;
-		case CHAN_OPT_MSG_DELAY:
-			ch->msg_delay = value;
-			break;
-		default:
-			ShowError("buildin_channel_setopt: Invalid option %d!\n", opt);
-			script_pushint(st,0);
-			return SCRIPT_CMD_FAILURE;
-	}
-
-	script_pushint(st,1);
-	return SCRIPT_CMD_SUCCESS;
-}
-
-/**
- * Set channel color
- * channel_setcolor "<chname>",<color>;
- * @author [Cydh]
- **/
-BUILDIN_FUNC(channel_setcolor) {
-	struct Channel *ch = NULL;
-	const char *chname = script_getstr(st,2);
-	int color = script_getnum(st,3);
-
-	if (!(ch = channel_name2channel((char *)chname, NULL, 0))) {
-		ShowError("buildin_channel_setcolor: Channel name '%s' is invalid.\n", chname);
-		script_pushint(st,0);
-		return SCRIPT_CMD_FAILURE;
-	}
+	if (script_hasdata(st, 5))
+		discount = script_getnum(st, 5);
 
-	ch->color = (color & 0x0000FF) << 16 | (color & 0x00FF00) | (color & 0xFF0000) >> 16;//RGB to BGR
+	sd->npc_shopid = nd->bl.id;
+	clif_sellitem(sd, type, param, discount);
 
-	script_pushint(st,1);
+	script_pushint(st, 1);
 	return SCRIPT_CMD_SUCCESS;
 }
 
diff --git a/src/map/script.hpp b/src/map/script.hpp
index 1988762d322..74743700636 100644
--- a/src/map/script.hpp
+++ b/src/map/script.hpp
@@ -704,6 +704,11 @@ enum instance_info_type {
 	IIT_MAP
 };
 
+enum sellitem_filter_type {
+	SFT_TYPE,
+	SFT_ID,
+};
+
 enum vip_status_type {
 	VIP_STATUS_ACTIVE = 1,
 	VIP_STATUS_EXPIRE,
diff --git a/src/map/script_constants.hpp b/src/map/script_constants.hpp
index 959376795e5..045188ff714 100644
--- a/src/map/script_constants.hpp
+++ b/src/map/script_constants.hpp
@@ -5019,6 +5019,10 @@
 	script_set_constant("REFINE_MATERIAL_ID", 0, false, false);
 	script_set_constant("REFINE_ZENY_COST", 1, false, false);
 
+	/* SellItem mod */
+	export_constant(SFT_TYPE);
+	export_constant(SFT_ID);
+
 	/* NPC view ids */
 	// Special macro to strip the prefix 'JT_'
 	#define export_constant_npc(a) export_constant_offset(a,3)