diff --git a/startup.lua b/startup.lua
new file mode 100644
index 0000000..c1d4b16
--- /dev/null
+++ b/startup.lua
@@ -0,0 +1,136 @@
+local db = require("localdb")
+local completion = require("cc.completion")
+local total_items = {}
+local monitor = peripheral.find("monitor")
+db.setCurrencyUnit("diamonds")
+term.clear()
+local x,y = term.getSize()
+term.setCursorPos(1,y)
+local function input()
+    while true do
+        local event = {os.pullEvent()}
+        if event[1] == "key" then
+            if event[2] == keys.a then
+                sleep(0)
+                local added_item_name = nil
+                local added_item_count = nil
+                local x,y = term.getSize()
+                term.setCursorPos(1,y)
+                term.write("item name > ")
+                local materials = db.getMaterials()
+                added_item_name = read(nil,nil, function(text) return completion.choice(text, materials) end)
+                if added_item_name == "" then
+                    added_item_name = nil
+                else
+                    repeat
+                    term.write("item count > ")
+                    added_item_count = tonumber(read())
+                    until added_item_count ~= nil
+                    if added_item_count <= 0 then
+                        added_item_name = nil
+                        added_item_count = nil
+                    else
+                        if not db.getPrice(added_item_name) then
+                            print("item not found... define a price?")
+                            local new_price = nil
+                            repeat
+                                term.write("item price > ")
+                                new_price = tonumber(read())
+                            until new_price ~= nil
+                            ---@cast new_price number
+                            if new_price > 0 then
+                                db.setPrice(added_item_name,new_price)
+                            end
+                        end
+                        total_items[added_item_name] = (total_items[added_item_name] or 0 ) + added_item_count
+                    end
+                end
+            elseif event[2] == keys.l then
+                for k,v in pairs(total_items) do
+                    print(tostring(k).." x"..tostring(v))
+                end
+            elseif event[2] == keys.t then
+                local total = 0
+                for k,v in pairs(total_items) do
+                    total = total + (( db.getPrice(k) or 0)*v)
+                end
+                print("total: "..tostring(total).." "..tostring(db.getCurrencyUnit()))
+            elseif event[2] == keys.f then
+                sleep(0)
+                local total = 0
+                for k,v in pairs(total_items) do
+                    print(tostring(k).." x"..tostring(v))
+                    total = total + (( db.getPrice(k) or 0)*v)
+                end
+                print("total: "..tostring(total).." "..tostring(db.getCurrencyUnit()))
+                term.write("finish order? (Y/n)")
+                local resp = read()
+                if string.find("n", string.lower(resp)) == nil or resp == "" then
+                    total_items = {}
+                    print("finished order..")
+                end
+            elseif event[2] == keys.d then
+                sleep(0)
+                local removed_item_name = nil
+                local x,y = term.getSize()
+                term.setCursorPos(1,y)
+                term.write("item name > ")
+                local materials = db.getMaterials()
+                removed_item_name = read(nil,nil, function(text) return completion.choice(text, materials) end)
+                if removed_item_name == "" then
+                    removed_item_name = nil
+                else
+                    if total_items[removed_item_name] then
+                        total_items[removed_item_name] = nil
+                        print("removed item")
+                    end
+                end
+            elseif event[2] == keys.c then
+                sleep(0)
+                local added_currency_name = nil
+                local added_currency_worth = nil
+                local x,y = term.getSize()
+                term.setCursorPos(1,y)
+                term.write("currency name > ")
+                added_currency_name = read()
+                if added_currency_name == "" then
+                    added_currency_name = nil
+                else
+                    repeat
+                    term.write("currency worth > ")
+                    added_currency_worth = tonumber(read())
+                    until added_currency_worth ~= nil
+                    if added_currency_worth <= 0 then
+                        added_currency_name = nil
+                        added_currency_worth = nil
+                    else
+                        ---@cast added_currency_worth number
+                        db.setWorth(added_currency_name,added_currency_worth)
+                    end
+                end
+            end
+        end
+    end
+end
+
+local function render_monitor()
+    while true do
+        sleep(0)
+        if monitor then
+            monitor.clear()
+            local x,y = monitor.getSize()
+            monitor.setCursorPos(1,1)
+            local total = 0
+            for k,v in pairs(total_items) do
+                monitor.setCursorPos(1,y)
+                monitor.write(tostring(k).." x"..tostring(v).."")
+                monitor.scroll(1)
+                total = total + (( db.getPrice(k) or 0)*v)
+            end
+            monitor.setCursorPos(1,y)
+            monitor.write("total: "..tostring(total).." "..tostring(db.getCurrencyUnit()))
+        end
+    end
+end
+
+parallel.waitForAny(input, render_monitor)
\ No newline at end of file