Some quick economy fixes and improvements.

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))