Some quick economy fixes and improvements.

code/game/objects/items/cards_ids.dm

@@ -317,14 +317,13 @@
 		return
 	if(!alt_click_can_use_id(user))
 		return
-	if(registered_account.adjust_money(-amount_to_remove))
+	amount_to_remove = min(amount_to_remove, registered_account.account_balance)
+	if(amount_to_remove && registered_account.adjust_money(-amount_to_remove))
 		var/obj/item/holochip/holochip = new (user.drop_location(), amount_to_remove)
 		user.put_in_hands(holochip)
 		to_chat(user, "<span class='notice'>You withdraw [amount_to_remove] credits into a holochip.</span>")
 		return
-	else
-		var/difference = amount_to_remove - registered_account.account_balance
-		registered_account.bank_card_talk("<span class='warning'>ERROR: The linked account requires [difference] more credit\s to perform that withdrawal.</span>", TRUE)
+	registered_account.bank_card_talk("<span class='warning'>ERROR: The linked account has no sufficient credits to perform a withdrawal.</span>", TRUE)
 
 /obj/item/card/id/examine(mob/user)
 	. = ..()

code/modules/uplink/uplink_items/uplink_devices.dm

@@ -272,7 +272,6 @@
 	include_modes = list(/datum/game_mode/nuclear, /datum/game_mode/nuclear/clown_ops)
 	restricted = TRUE
 
-/* for now
 /datum/uplink_item/device_tools/suspiciousphone
 	name = "Protocol CRAB-17 Phone"
 	desc = "The Protocol CRAB-17 Phone, a phone borrowed from an unknown third party, it can be used to crash the space market, funneling the losses of the crew to your bank account.\
@@ -280,4 +279,5 @@
 	item = /obj/item/suspiciousphone
 	cost = 7
 	restricted = TRUE
-*/
+	limited_stock = 1
+

code/modules/vending/_vending.dm

@@ -299,6 +299,7 @@ GLOBAL_LIST_EMPTY(vending_products)
 			R.amount = amount
 		R.max_amount = amount
 		R.custom_price = initial(temp.custom_price)
+		R.custom_premium_price = initial(temp.custom_premium_price)
 		recordlist += R
 /**
   * Refill a vending machine from a refill canister
@@ -577,12 +578,13 @@ GLOBAL_LIST_EMPTY(vending_products)
 		if(cost_mult != 1)
 			.["cost_mult"] = cost_mult
 			if(cost_mult < 1)
-				.["cost_text"] = " [(1 - cost_mult) * 100]% OFF"
+				.["cost_text"] = " ([(1 - cost_mult) * 100]% OFF)"
 			else
-				.["cost_text"] = " [(cost_mult - 1) * 100]% EXTRA"
+				.["cost_text"] = " ([(cost_mult - 1) * 100]% EXTRA)"
 	.["stock"] = list()
 	for (var/datum/data/vending_product/R in product_records + coin_records + hidden_records)
 		.["stock"][R.name] = R.amount
+		.
 	.["extended_inventory"] = extended_inventory
 
 /obj/machinery/vending/ui_act(action, params)
@@ -635,7 +637,7 @@ GLOBAL_LIST_EMPTY(vending_products)
 					return
 				var/datum/bank_account/account = C.registered_account
 				if(coin_records.Find(R) || hidden_records.Find(R))
-					price_to_use = R.custom_premium_price ? R.custom_premium_price : extra_price
+					price_to_use = R.custom_premium_price || extra_price
 				else
 					price_to_use = round(price_to_use * get_best_discount(C))
 				if(price_to_use && !account.adjust_money(-price_to_use))

tgui-next/packages/tgui/interfaces/Vending.js

@@ -47,7 +47,18 @@ export const Vending = props => {
       <Section title="Products" >
         <Table>
           {inventory.map((product => {
-            const suffix = ' cr' + data.cost_text;
+            const free = (
+              !data.onstation
+              || product.price === 0
+              || (
+                data.cost_mult === 0
+                && !product.premium
+              )
+            );
+            const suffix = (!product.premium
+              ? ' cr' + data.cost_text
+              : ' cr'
+            );
             return (
               <Table.Row key={product.name}>
                 <Table.Cell>
@@ -91,15 +102,14 @@ export const Vending = props => {
                       disabled={(
                         data.stock[product.namename] === 0
                         || (
-                          data.cost_mult !== 0
+                          !free
                           && (
                             !data.user
                             || product.price > data.user.cash
                           )
                         )
                       )}
-                      content={(data.onstation
-                        && product.price !== 0)
+                      content={!free
                         ? Math.round(product.price * data.cost_mult) + suffix
                         : 'FREE'}
                       onClick={() => act(ref, 'vend', {